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Finding the Fourth Proportional to 138,017.36, 207,025.92 and 44,523.10

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Solution

The fourth proportional to 138,017.36, 207,025.92 and 44,523.10 is: 66,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,017.36 : 207,025.92 = 44,523.10 : x
  2. Step 2: Convert to fraction form
    138,017.36/207,025.92 = 44,523.10/x
  3. Step 3: Cross multiply
    138,017.36x = 207,025.92 × 44,523.10
  4. Step 4: Simplify right side
    138,017.36x = 9,217,435,738.75
  5. Step 5: Solve for x
    x = 9,217,435,738.75/138,017.36
  6. Step 6: Final answer
    x = 66,784.61

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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.