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Finding the Fourth Proportional to 181,306.82, 250,203.68 and 100,734.42

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Solution

The fourth proportional to 181,306.82, 250,203.68 and 100,734.42 is: 139,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,306.82 : 250,203.68 = 100,734.42 : x
  2. Step 2: Convert to fraction form
    181,306.82/250,203.68 = 100,734.42/x
  3. Step 3: Cross multiply
    181,306.82x = 250,203.68 × 100,734.42
  4. Step 4: Simplify right side
    181,306.82x = 25,204,122,586.67
  5. Step 5: Solve for x
    x = 25,204,122,586.67/181,306.82
  6. Step 6: Final answer
    x = 139,013.65

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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.