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Finding the Fourth Proportional to 154,398.70, 231,608.85 and 60,892.30

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Solution

The fourth proportional to 154,398.70, 231,608.85 and 60,892.30 is: 91,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,398.70 : 231,608.85 = 60,892.30 : x
  2. Step 2: Convert to fraction form
    154,398.70/231,608.85 = 60,892.30/x
  3. Step 3: Cross multiply
    154,398.70x = 231,608.85 × 60,892.30
  4. Step 4: Simplify right side
    154,398.70x = 14,103,195,576.86
  5. Step 5: Solve for x
    x = 14,103,195,576.86/154,398.70
  6. Step 6: Final answer
    x = 91,342.71

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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.