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Finding the Fourth Proportional to 74,344.01, 111,537.90 and 29,947.91

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Solution

The fourth proportional to 74,344.01, 111,537.90 and 29,947.91 is: 44,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.01 : 111,537.90 = 29,947.91 : x
  2. Step 2: Convert to fraction form
    74,344.01/111,537.90 = 29,947.91/x
  3. Step 3: Cross multiply
    74,344.01x = 111,537.90 × 29,947.91
  4. Step 4: Simplify right side
    74,344.01x = 3,340,326,433.10
  5. Step 5: Solve for x
    x = 3,340,326,433.10/74,344.01
  6. Step 6: Final answer
    x = 44,930.68

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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.