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Finding the Fourth Proportional to 138,191.40, 207,288.24 and 44,697.24

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Solution

The fourth proportional to 138,191.40, 207,288.24 and 44,697.24 is: 67,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,191.40 : 207,288.24 = 44,697.24 : x
  2. Step 2: Convert to fraction form
    138,191.40/207,288.24 = 44,697.24/x
  3. Step 3: Cross multiply
    138,191.40x = 207,288.24 × 44,697.24
  4. Step 4: Simplify right side
    138,191.40x = 9,265,212,212.46
  5. Step 5: Solve for x
    x = 9,265,212,212.46/138,191.40
  6. Step 6: Final answer
    x = 67,046.23

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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.