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Finding the Fourth Proportional to 88,894.90, 133,342.35 and 38,998.90

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Solution

The fourth proportional to 88,894.90, 133,342.35 and 38,998.90 is: 58,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894.90 : 133,342.35 = 38,998.90 : x
  2. Step 2: Convert to fraction form
    88,894.90/133,342.35 = 38,998.90/x
  3. Step 3: Cross multiply
    88,894.90x = 133,342.35 × 38,998.90
  4. Step 4: Simplify right side
    88,894.90x = 5,200,204,973.42
  5. Step 5: Solve for x
    x = 5,200,204,973.42/88,894.90
  6. Step 6: Final answer
    x = 58,498.35

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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.