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Finding the Fourth Proportional to 181,553.70, 272,472.30 and 125,785.20

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Solution

The fourth proportional to 181,553.70, 272,472.30 and 125,785.20 is: 188,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,553.70 : 272,472.30 = 125,785.20 : x
  2. Step 2: Convert to fraction form
    181,553.70/272,472.30 = 125,785.20/x
  3. Step 3: Cross multiply
    181,553.70x = 272,472.30 × 125,785.20
  4. Step 4: Simplify right side
    181,553.70x = 34,272,982,749.96
  5. Step 5: Solve for x
    x = 34,272,982,749.96/181,553.70
  6. Step 6: Final answer
    x = 188,776.01

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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.