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Finding the Fourth Proportional to 172,131.97, 258,092.25 and 59,763.91

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Solution

The fourth proportional to 172,131.97, 258,092.25 and 59,763.91 is: 89,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,131.97 : 258,092.25 = 59,763.91 : x
  2. Step 2: Convert to fraction form
    172,131.97/258,092.25 = 59,763.91/x
  3. Step 3: Cross multiply
    172,131.97x = 258,092.25 × 59,763.91
  4. Step 4: Simplify right side
    172,131.97x = 15,424,602,000.70
  5. Step 5: Solve for x
    x = 15,424,602,000.70/172,131.97
  6. Step 6: Final answer
    x = 89,609.16

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1.5x scale

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.