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Finding the Fourth Proportional to 80,866.97, 111,597.18 and 44,569.72

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Solution

The fourth proportional to 80,866.97, 111,597.18 and 44,569.72 is: 61,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866.97 : 111,597.18 = 44,569.72 : x
  2. Step 2: Convert to fraction form
    80,866.97/111,597.18 = 44,569.72/x
  3. Step 3: Cross multiply
    80,866.97x = 111,597.18 × 44,569.72
  4. Step 4: Simplify right side
    80,866.97x = 4,973,854,911.91
  5. Step 5: Solve for x
    x = 4,973,854,911.91/80,866.97
  6. Step 6: Final answer
    x = 61,506.63

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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.