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Finding the Fourth Proportional to 157,902.68, 236,694.42 and 68,004.02

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Solution

The fourth proportional to 157,902.68, 236,694.42 and 68,004.02 is: 101,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,902.68 : 236,694.42 = 68,004.02 : x
  2. Step 2: Convert to fraction form
    157,902.68/236,694.42 = 68,004.02/x
  3. Step 3: Cross multiply
    157,902.68x = 236,694.42 × 68,004.02
  4. Step 4: Simplify right side
    157,902.68x = 16,096,172,663.30
  5. Step 5: Solve for x
    x = 16,096,172,663.30/157,902.68
  6. Step 6: Final answer
    x = 101,937.30

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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.