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Finding the Fourth Proportional to 150,454.87, 207,626.90 and 82,474.74

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Solution

The fourth proportional to 150,454.87, 207,626.90 and 82,474.74 is: 113,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,454.87 : 207,626.90 = 82,474.74 : x
  2. Step 2: Convert to fraction form
    150,454.87/207,626.90 = 82,474.74/x
  3. Step 3: Cross multiply
    150,454.87x = 207,626.90 × 82,474.74
  4. Step 4: Simplify right side
    150,454.87x = 17,123,974,182.13
  5. Step 5: Solve for x
    x = 17,123,974,182.13/150,454.87
  6. Step 6: Final answer
    x = 113,814.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.