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Finding the Fourth Proportional to 181,937.70, 272,906.55 and 102,221.55

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Solution

The fourth proportional to 181,937.70, 272,906.55 and 102,221.55 is: 153,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,937.70 : 272,906.55 = 102,221.55 : x
  2. Step 2: Convert to fraction form
    181,937.70/272,906.55 = 102,221.55/x
  3. Step 3: Cross multiply
    181,937.70x = 272,906.55 × 102,221.55
  4. Step 4: Simplify right side
    181,937.70x = 27,896,930,546.15
  5. Step 5: Solve for x
    x = 27,896,930,546.15/181,937.70
  6. Step 6: Final answer
    x = 153,332.33

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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.