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Finding the Fourth Proportional to 177,605.60, 266,539.80 and 84,111.52

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Solution

The fourth proportional to 177,605.60, 266,539.80 and 84,111.52 is: 126,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,605.60 : 266,539.80 = 84,111.52 : x
  2. Step 2: Convert to fraction form
    177,605.60/266,539.80 = 84,111.52/x
  3. Step 3: Cross multiply
    177,605.60x = 266,539.80 × 84,111.52
  4. Step 4: Simplify right side
    177,605.60x = 22,419,067,718.50
  5. Step 5: Solve for x
    x = 22,419,067,718.50/177,605.60
  6. Step 6: Final answer
    x = 126,229.51

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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.