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Finding the Fourth Proportional to 169,372.11, 233,733.51 and 93,920.61

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Solution

The fourth proportional to 169,372.11, 233,733.51 and 93,920.61 is: 129,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,372.11 : 233,733.51 = 93,920.61 : x
  2. Step 2: Convert to fraction form
    169,372.11/233,733.51 = 93,920.61/x
  3. Step 3: Cross multiply
    169,372.11x = 233,733.51 × 93,920.61
  4. Step 4: Simplify right side
    169,372.11x = 21,952,393,366.12
  5. Step 5: Solve for x
    x = 21,952,393,366.12/169,372.11
  6. Step 6: Final answer
    x = 129,610.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.