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Finding the Fourth Proportional to 177,474.60, 266,114.70 and 72,174.60

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Solution

The fourth proportional to 177,474.60, 266,114.70 and 72,174.60 is: 108,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,474.60 : 266,114.70 = 72,174.60 : x
  2. Step 2: Convert to fraction form
    177,474.60/266,114.70 = 72,174.60/x
  3. Step 3: Cross multiply
    177,474.60x = 266,114.70 × 72,174.60
  4. Step 4: Simplify right side
    177,474.60x = 19,206,722,026.62
  5. Step 5: Solve for x
    x = 19,206,722,026.62/177,474.60
  6. Step 6: Final answer
    x = 108,222.37

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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.