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Finding the Fourth Proportional to 137,773.70, 206,660.55 and 44,288.90

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Solution

The fourth proportional to 137,773.70, 206,660.55 and 44,288.90 is: 66,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,773.70 : 206,660.55 = 44,288.90 : x
  2. Step 2: Convert to fraction form
    137,773.70/206,660.55 = 44,288.90/x
  3. Step 3: Cross multiply
    137,773.70x = 206,660.55 × 44,288.90
  4. Step 4: Simplify right side
    137,773.70x = 9,152,768,432.90
  5. Step 5: Solve for x
    x = 9,152,768,432.90/137,773.70
  6. Step 6: Final answer
    x = 66,433.35

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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.