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Finding the Fourth Proportional to 177,816.20, 266,724.30 and 167,678.60

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Solution

The fourth proportional to 177,816.20, 266,724.30 and 167,678.60 is: 251,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.20 : 266,724.30 = 167,678.60 : x
  2. Step 2: Convert to fraction form
    177,816.20/266,724.30 = 167,678.60/x
  3. Step 3: Cross multiply
    177,816.20x = 266,724.30 × 167,678.60
  4. Step 4: Simplify right side
    177,816.20x = 44,723,957,209.98
  5. Step 5: Solve for x
    x = 44,723,957,209.98/177,816.20
  6. Step 6: Final answer
    x = 251,517.90

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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.