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Finding the Fourth Proportional to 169,092.96, 253,658.88 and 98,972.88

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Solution

The fourth proportional to 169,092.96, 253,658.88 and 98,972.88 is: 148,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,092.96 : 253,658.88 = 98,972.88 : x
  2. Step 2: Convert to fraction form
    169,092.96/253,658.88 = 98,972.88/x
  3. Step 3: Cross multiply
    169,092.96x = 253,658.88 × 98,972.88
  4. Step 4: Simplify right side
    169,092.96x = 25,105,349,891.17
  5. Step 5: Solve for x
    x = 25,105,349,891.17/169,092.96
  6. Step 6: Final answer
    x = 148,470.70

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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.