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Finding the Fourth Proportional to 181,635.20, 250,634.01 and 101,057.01

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Solution

The fourth proportional to 181,635.20, 250,634.01 and 101,057.01 is: 139,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,635.20 : 250,634.01 = 101,057.01 : x
  2. Step 2: Convert to fraction form
    181,635.20/250,634.01 = 101,057.01/x
  3. Step 3: Cross multiply
    181,635.20x = 250,634.01 × 101,057.01
  4. Step 4: Simplify right side
    181,635.20x = 25,328,323,654.91
  5. Step 5: Solve for x
    x = 25,328,323,654.91/181,635.20
  6. Step 6: Final answer
    x = 139,446.12

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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.