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Finding the Fourth Proportional to 169,397.90, 253,758.08 and 101,892.65

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Solution

The fourth proportional to 169,397.90, 253,758.08 and 101,892.65 is: 152,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,397.90 : 253,758.08 = 101,892.65 : x
  2. Step 2: Convert to fraction form
    169,397.90/253,758.08 = 101,892.65/x
  3. Step 3: Cross multiply
    169,397.90x = 253,758.08 × 101,892.65
  4. Step 4: Simplify right side
    169,397.90x = 25,856,083,230.11
  5. Step 5: Solve for x
    x = 25,856,083,230.11/169,397.90
  6. Step 6: Final answer
    x = 152,635.21

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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.