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Finding the Fourth Proportional to 171,063.52, 236,061.70 and 93,540.98

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Solution

The fourth proportional to 171,063.52, 236,061.70 and 93,540.98 is: 129,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,063.52 : 236,061.70 = 93,540.98 : x
  2. Step 2: Convert to fraction form
    171,063.52/236,061.70 = 93,540.98/x
  3. Step 3: Cross multiply
    171,063.52x = 236,061.70 × 93,540.98
  4. Step 4: Simplify right side
    171,063.52x = 22,081,442,758.47
  5. Step 5: Solve for x
    x = 22,081,442,758.47/171,063.52
  6. Step 6: Final answer
    x = 129,083.29

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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.