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Finding the Fourth Proportional to 363,917.72, 545,801.28 and 97,614.92

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Solution

The fourth proportional to 363,917.72, 545,801.28 and 97,614.92 is: 146,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,917.72 : 545,801.28 = 97,614.92 : x
  2. Step 2: Convert to fraction form
    363,917.72/545,801.28 = 97,614.92/x
  3. Step 3: Cross multiply
    363,917.72x = 545,801.28 × 97,614.92
  4. Step 4: Simplify right side
    363,917.72x = 53,278,348,283.10
  5. Step 5: Solve for x
    x = 53,278,348,283.10/363,917.72
  6. Step 6: Final answer
    x = 146,402.18

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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.