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Finding the Fourth Proportional to 138,000.62, 207,000.92 and 44,506.37

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Solution

The fourth proportional to 138,000.62, 207,000.92 and 44,506.37 is: 66,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,000.62 : 207,000.92 = 44,506.37 : x
  2. Step 2: Convert to fraction form
    138,000.62/207,000.92 = 44,506.37/x
  3. Step 3: Cross multiply
    138,000.62x = 207,000.92 × 44,506.37
  4. Step 4: Simplify right side
    138,000.62x = 9,212,858,612.12
  5. Step 5: Solve for x
    x = 9,212,858,612.12/138,000.62
  6. Step 6: Final answer
    x = 66,759.55

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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.