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Finding the Fourth Proportional to 80,402.58, 110,947.73 and 44,591.81

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Solution

The fourth proportional to 80,402.58, 110,947.73 and 44,591.81 is: 61,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402.58 : 110,947.73 = 44,591.81 : x
  2. Step 2: Convert to fraction form
    80,402.58/110,947.73 = 44,591.81/x
  3. Step 3: Cross multiply
    80,402.58x = 110,947.73 × 44,591.81
  4. Step 4: Simplify right side
    80,402.58x = 4,947,359,318.39
  5. Step 5: Solve for x
    x = 4,947,359,318.39/80,402.58
  6. Step 6: Final answer
    x = 61,532.35

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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.