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Finding the Fourth Proportional to 76,714.80, 105,882.03 and 44,891.52

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Solution

The fourth proportional to 76,714.80, 105,882.03 and 44,891.52 is: 61,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,714.80 : 105,882.03 = 44,891.52 : x
  2. Step 2: Convert to fraction form
    76,714.80/105,882.03 = 44,891.52/x
  3. Step 3: Cross multiply
    76,714.80x = 105,882.03 × 44,891.52
  4. Step 4: Simplify right side
    76,714.80x = 4,753,205,267.39
  5. Step 5: Solve for x
    x = 4,753,205,267.39/76,714.80
  6. Step 6: Final answer
    x = 61,959.43

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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.