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Finding the Fourth Proportional to 80,569.46, 111,182.64 and 44,757.74

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Solution

The fourth proportional to 80,569.46, 111,182.64 and 44,757.74 is: 61,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569.46 : 111,182.64 = 44,757.74 : x
  2. Step 2: Convert to fraction form
    80,569.46/111,182.64 = 44,757.74/x
  3. Step 3: Cross multiply
    80,569.46x = 111,182.64 × 44,757.74
  4. Step 4: Simplify right side
    80,569.46x = 4,976,283,693.63
  5. Step 5: Solve for x
    x = 4,976,283,693.63/80,569.46
  6. Step 6: Final answer
    x = 61,763.90

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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.