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Finding the Fourth Proportional to 137,911.91, 206,867.87 and 44,417.66

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Solution

The fourth proportional to 137,911.91, 206,867.87 and 44,417.66 is: 66,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,911.91 : 206,867.87 = 44,417.66 : x
  2. Step 2: Convert to fraction form
    137,911.91/206,867.87 = 44,417.66/x
  3. Step 3: Cross multiply
    137,911.91x = 206,867.87 × 44,417.66
  4. Step 4: Simplify right side
    137,911.91x = 9,188,585,680.24
  5. Step 5: Solve for x
    x = 9,188,585,680.24/137,911.91
  6. Step 6: Final answer
    x = 66,626.49

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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.