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Finding the Fourth Proportional to 181,566.80, 272,456.76 and 76,377.68

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Solution

The fourth proportional to 181,566.80, 272,456.76 and 76,377.68 is: 114,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,566.80 : 272,456.76 = 76,377.68 : x
  2. Step 2: Convert to fraction form
    181,566.80/272,456.76 = 76,377.68/x
  3. Step 3: Cross multiply
    181,566.80x = 272,456.76 × 76,377.68
  4. Step 4: Simplify right side
    181,566.80x = 20,809,615,229.12
  5. Step 5: Solve for x
    x = 20,809,615,229.12/181,566.80
  6. Step 6: Final answer
    x = 114,611.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.