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Finding the Fourth Proportional to 92,123.73, 137,964.15 and 52,560.90

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Solution

The fourth proportional to 92,123.73, 137,964.15 and 52,560.90 is: 78,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,123.73 : 137,964.15 = 52,560.90 : x
  2. Step 2: Convert to fraction form
    92,123.73/137,964.15 = 52,560.90/x
  3. Step 3: Cross multiply
    92,123.73x = 137,964.15 × 52,560.90
  4. Step 4: Simplify right side
    92,123.73x = 7,251,518,939.11
  5. Step 5: Solve for x
    x = 7,251,518,939.11/92,123.73
  6. Step 6: Final answer
    x = 78,715.00

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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.