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Finding the Fourth Proportional to 59,045.70, 81,481.17 and 32,187.78

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Solution

The fourth proportional to 59,045.70, 81,481.17 and 32,187.78 is: 44,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,045.70 : 81,481.17 = 32,187.78 : x
  2. Step 2: Convert to fraction form
    59,045.70/81,481.17 = 32,187.78/x
  3. Step 3: Cross multiply
    59,045.70x = 81,481.17 × 32,187.78
  4. Step 4: Simplify right side
    59,045.70x = 2,622,697,974.10
  5. Step 5: Solve for x
    x = 2,622,697,974.10/59,045.70
  6. Step 6: Final answer
    x = 44,418.10

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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.