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Finding the Fourth Proportional to 89,342,886.90, 134,014,330.35 and 89,342,886.90

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Solution

The fourth proportional to 89,342,886.90, 134,014,330.35 and 89,342,886.90 is: 134,014,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,342,886.90 : 134,014,330.35 = 89,342,886.90 : x
  2. Step 2: Convert to fraction form
    89,342,886.90/134,014,330.35 = 89,342,886.90/x
  3. Step 3: Cross multiply
    89,342,886.90x = 134,014,330.35 × 89,342,886.90
  4. Step 4: Simplify right side
    89,342,886.90x = 11,973,227,159,439,288
  5. Step 5: Solve for x
    x = 11,973,227,159,439,288/89,342,886.90
  6. Step 6: Final answer
    x = 134,014,330.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.