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Finding the Fourth Proportional to 80,592.64, 111,215.64 and 44,781.72

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Solution

The fourth proportional to 80,592.64, 111,215.64 and 44,781.72 is: 61,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.64 : 111,215.64 = 44,781.72 : x
  2. Step 2: Convert to fraction form
    80,592.64/111,215.64 = 44,781.72/x
  3. Step 3: Cross multiply
    80,592.64x = 111,215.64 × 44,781.72
  4. Step 4: Simplify right side
    80,592.64x = 4,980,427,650.10
  5. Step 5: Solve for x
    x = 4,980,427,650.10/80,592.64
  6. Step 6: Final answer
    x = 61,797.55

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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.