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Finding the Fourth Proportional to 171,262.62, 236,338.65 and 93,737.88

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Solution

The fourth proportional to 171,262.62, 236,338.65 and 93,737.88 is: 129,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,262.62 : 236,338.65 = 93,737.88 : x
  2. Step 2: Convert to fraction form
    171,262.62/236,338.65 = 93,737.88/x
  3. Step 3: Cross multiply
    171,262.62x = 236,338.65 × 93,737.88
  4. Step 4: Simplify right side
    171,262.62x = 22,153,884,013.06
  5. Step 5: Solve for x
    x = 22,153,884,013.06/171,262.62
  6. Step 6: Final answer
    x = 129,356.21

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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.