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Finding the Fourth Proportional to 97,302.60, 145,953.90 and 55,166.40

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Solution

The fourth proportional to 97,302.60, 145,953.90 and 55,166.40 is: 82,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,302.60 : 145,953.90 = 55,166.40 : x
  2. Step 2: Convert to fraction form
    97,302.60/145,953.90 = 55,166.40/x
  3. Step 3: Cross multiply
    97,302.60x = 145,953.90 × 55,166.40
  4. Step 4: Simplify right side
    97,302.60x = 8,051,751,228.96
  5. Step 5: Solve for x
    x = 8,051,751,228.96/97,302.60
  6. Step 6: Final answer
    x = 82,749.60

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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.