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Finding the Fourth Proportional to 74,587.52, 111,708.95 and 44,939.90

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Solution

The fourth proportional to 74,587.52, 111,708.95 and 44,939.90 is: 67,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,587.52 : 111,708.95 = 44,939.90 : x
  2. Step 2: Convert to fraction form
    74,587.52/111,708.95 = 44,939.90/x
  3. Step 3: Cross multiply
    74,587.52x = 111,708.95 × 44,939.90
  4. Step 4: Simplify right side
    74,587.52x = 5,020,188,258.86
  5. Step 5: Solve for x
    x = 5,020,188,258.86/74,587.52
  6. Step 6: Final answer
    x = 67,306.01

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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.