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Finding the Fourth Proportional to 181,753.22, 250,829.08 and 101,187.78

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Solution

The fourth proportional to 181,753.22, 250,829.08 and 101,187.78 is: 139,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,753.22 : 250,829.08 = 101,187.78 : x
  2. Step 2: Convert to fraction form
    181,753.22/250,829.08 = 101,187.78/x
  3. Step 3: Cross multiply
    181,753.22x = 250,829.08 × 101,187.78
  4. Step 4: Simplify right side
    181,753.22x = 25,380,837,764.64
  5. Step 5: Solve for x
    x = 25,380,837,764.64/181,753.22
  6. Step 6: Final answer
    x = 139,644.50

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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.