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Finding the Fourth Proportional to 181,744.59, 250,930.98 and 113,789.03

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Solution

The fourth proportional to 181,744.59, 250,930.98 and 113,789.03 is: 157,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,744.59 : 250,930.98 = 113,789.03 : x
  2. Step 2: Convert to fraction form
    181,744.59/250,930.98 = 113,789.03/x
  3. Step 3: Cross multiply
    181,744.59x = 250,930.98 × 113,789.03
  4. Step 4: Simplify right side
    181,744.59x = 28,553,192,811.15
  5. Step 5: Solve for x
    x = 28,553,192,811.15/181,744.59
  6. Step 6: Final answer
    x = 157,106.15

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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.