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Finding the Fourth Proportional to 100,449.20, 150,472.92 and 60,446.24

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Solution

The fourth proportional to 100,449.20, 150,472.92 and 60,446.24 is: 90,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,449.20 : 150,472.92 = 60,446.24 : x
  2. Step 2: Convert to fraction form
    100,449.20/150,472.92 = 60,446.24/x
  3. Step 3: Cross multiply
    100,449.20x = 150,472.92 × 60,446.24
  4. Step 4: Simplify right side
    100,449.20x = 9,095,522,235.82
  5. Step 5: Solve for x
    x = 9,095,522,235.82/100,449.20
  6. Step 6: Final answer
    x = 90,548.48

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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.