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Finding the Fourth Proportional to 138,377.50, 207,566.25 and 44,883.25

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Solution

The fourth proportional to 138,377.50, 207,566.25 and 44,883.25 is: 67,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,377.50 : 207,566.25 = 44,883.25 : x
  2. Step 2: Convert to fraction form
    138,377.50/207,566.25 = 44,883.25/x
  3. Step 3: Cross multiply
    138,377.50x = 207,566.25 × 44,883.25
  4. Step 4: Simplify right side
    138,377.50x = 9,316,247,890.31
  5. Step 5: Solve for x
    x = 9,316,247,890.31/138,377.50
  6. Step 6: Final answer
    x = 67,324.88

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1.5x scale

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.