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Finding the Fourth Proportional to 177,754.60, 266,534.70 and 72,454.60

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Solution

The fourth proportional to 177,754.60, 266,534.70 and 72,454.60 is: 108,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,754.60 : 266,534.70 = 72,454.60 : x
  2. Step 2: Convert to fraction form
    177,754.60/266,534.70 = 72,454.60/x
  3. Step 3: Cross multiply
    177,754.60x = 266,534.70 × 72,454.60
  4. Step 4: Simplify right side
    177,754.60x = 19,311,665,074.62
  5. Step 5: Solve for x
    x = 19,311,665,074.62/177,754.60
  6. Step 6: Final answer
    x = 108,642.28

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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.