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Finding the Fourth Proportional to 181,903.86, 251,034.87 and 101,331.36

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Solution

The fourth proportional to 181,903.86, 251,034.87 and 101,331.36 is: 139,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,903.86 : 251,034.87 = 101,331.36 : x
  2. Step 2: Convert to fraction form
    181,903.86/251,034.87 = 101,331.36/x
  3. Step 3: Cross multiply
    181,903.86x = 251,034.87 × 101,331.36
  4. Step 4: Simplify right side
    181,903.86x = 25,437,704,784.52
  5. Step 5: Solve for x
    x = 25,437,704,784.52/181,903.86
  6. Step 6: Final answer
    x = 139,841.48

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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.