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Finding the Fourth Proportional to 181,174.46, 250,015.95 and 100,599.91

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Solution

The fourth proportional to 181,174.46, 250,015.95 and 100,599.91 is: 138,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,174.46 : 250,015.95 = 100,599.91 : x
  2. Step 2: Convert to fraction form
    181,174.46/250,015.95 = 100,599.91/x
  3. Step 3: Cross multiply
    181,174.46x = 250,015.95 × 100,599.91
  4. Step 4: Simplify right side
    181,174.46x = 25,151,581,443.52
  5. Step 5: Solve for x
    x = 25,151,581,443.52/181,174.46
  6. Step 6: Final answer
    x = 138,825.21

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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.