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Finding the Fourth Proportional to 71,043.30, 106,525.71 and 44,691.66

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Solution

The fourth proportional to 71,043.30, 106,525.71 and 44,691.66 is: 67,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.30 : 106,525.71 = 44,691.66 : x
  2. Step 2: Convert to fraction form
    71,043.30/106,525.71 = 44,691.66/x
  3. Step 3: Cross multiply
    71,043.30x = 106,525.71 × 44,691.66
  4. Step 4: Simplify right side
    71,043.30x = 4,760,810,812.58
  5. Step 5: Solve for x
    x = 4,760,810,812.58/71,043.30
  6. Step 6: Final answer
    x = 67,012.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.