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Finding the Fourth Proportional to 138,247.56, 207,404.28 and 44,753.32

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Solution

The fourth proportional to 138,247.56, 207,404.28 and 44,753.32 is: 67,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,247.56 : 207,404.28 = 44,753.32 : x
  2. Step 2: Convert to fraction form
    138,247.56/207,404.28 = 44,753.32/x
  3. Step 3: Cross multiply
    138,247.56x = 207,404.28 × 44,753.32
  4. Step 4: Simplify right side
    138,247.56x = 9,282,030,112.21
  5. Step 5: Solve for x
    x = 9,282,030,112.21/138,247.56
  6. Step 6: Final answer
    x = 67,140.64

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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.