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Finding the Fourth Proportional to 148,665.88, 205,072.50 and 92,037.16

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Solution

The fourth proportional to 148,665.88, 205,072.50 and 92,037.16 is: 126,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,665.88 : 205,072.50 = 92,037.16 : x
  2. Step 2: Convert to fraction form
    148,665.88/205,072.50 = 92,037.16/x
  3. Step 3: Cross multiply
    148,665.88x = 205,072.50 × 92,037.16
  4. Step 4: Simplify right side
    148,665.88x = 18,874,290,494.10
  5. Step 5: Solve for x
    x = 18,874,290,494.10/148,665.88
  6. Step 6: Final answer
    x = 126,957.78

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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.