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Finding the Fourth Proportional to 181,856.72, 250,962 and 101,291.24

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Solution

The fourth proportional to 181,856.72, 250,962 and 101,291.24 is: 139,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,856.72 : 250,962 = 101,291.24 : x
  2. Step 2: Convert to fraction form
    181,856.72/250,962 = 101,291.24/x
  3. Step 3: Cross multiply
    181,856.72x = 250,962 × 101,291.24
  4. Step 4: Simplify right side
    181,856.72x = 25,420,252,172.88
  5. Step 5: Solve for x
    x = 25,420,252,172.88/181,856.72
  6. Step 6: Final answer
    x = 139,781.76

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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.