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Finding the Fourth Proportional to 80,123.62, 110,560.88 and 44,308.76

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Solution

The fourth proportional to 80,123.62, 110,560.88 and 44,308.76 is: 61,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123.62 : 110,560.88 = 44,308.76 : x
  2. Step 2: Convert to fraction form
    80,123.62/110,560.88 = 44,308.76/x
  3. Step 3: Cross multiply
    80,123.62x = 110,560.88 × 44,308.76
  4. Step 4: Simplify right side
    80,123.62x = 4,898,815,497.31
  5. Step 5: Solve for x
    x = 4,898,815,497.31/80,123.62
  6. Step 6: Final answer
    x = 61,140.72

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