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Finding the Fourth Proportional to 177,999.70, 266,999.55 and 166,249.30

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Solution

The fourth proportional to 177,999.70, 266,999.55 and 166,249.30 is: 249,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,999.70 : 266,999.55 = 166,249.30 : x
  2. Step 2: Convert to fraction form
    177,999.70/266,999.55 = 166,249.30/x
  3. Step 3: Cross multiply
    177,999.70x = 266,999.55 × 166,249.30
  4. Step 4: Simplify right side
    177,999.70x = 44,388,488,287.82
  5. Step 5: Solve for x
    x = 44,388,488,287.82/177,999.70
  6. Step 6: Final answer
    x = 249,373.95

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