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Finding the Fourth Proportional to 352,167.92, 527,936.16 and 127,475.72

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Solution

The fourth proportional to 352,167.92, 527,936.16 and 127,475.72 is: 191,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,167.92 : 527,936.16 = 127,475.72 : x
  2. Step 2: Convert to fraction form
    352,167.92/527,936.16 = 127,475.72/x
  3. Step 3: Cross multiply
    352,167.92x = 527,936.16 × 127,475.72
  4. Step 4: Simplify right side
    352,167.92x = 67,299,042,110.04
  5. Step 5: Solve for x
    x = 67,299,042,110.04/352,167.92
  6. Step 6: Final answer
    x = 191,099.30

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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.