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Finding the Fourth Proportional to 89,842,640.06, 123,982,843.20 and 48,589,532.39

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Solution

The fourth proportional to 89,842,640.06, 123,982,843.20 and 48,589,532.39 is: 67,053,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,842,640.06 : 123,982,843.20 = 48,589,532.39 : x
  2. Step 2: Convert to fraction form
    89,842,640.06/123,982,843.20 = 48,589,532.39/x
  3. Step 3: Cross multiply
    89,842,640.06x = 123,982,843.20 × 48,589,532.39
  4. Step 4: Simplify right side
    89,842,640.06x = 6,024,268,375,780,648
  5. Step 5: Solve for x
    x = 6,024,268,375,780,648/89,842,640.06
  6. Step 6: Final answer
    x = 67,053,554.66

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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.