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Finding the Fourth Proportional to 159,487.20, 239,231.10 and 149,744.10

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Solution

The fourth proportional to 159,487.20, 239,231.10 and 149,744.10 is: 224,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,487.20 : 239,231.10 = 149,744.10 : x
  2. Step 2: Convert to fraction form
    159,487.20/239,231.10 = 149,744.10/x
  3. Step 3: Cross multiply
    159,487.20x = 239,231.10 × 149,744.10
  4. Step 4: Simplify right side
    159,487.20x = 35,823,445,761.51
  5. Step 5: Solve for x
    x = 35,823,445,761.51/159,487.20
  6. Step 6: Final answer
    x = 224,616.43

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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.