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Finding the Fourth Proportional to 177,659.60, 266,100.60 and 154,331.60

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Solution

The fourth proportional to 177,659.60, 266,100.60 and 154,331.60 is: 231,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,659.60 : 266,100.60 = 154,331.60 : x
  2. Step 2: Convert to fraction form
    177,659.60/266,100.60 = 154,331.60/x
  3. Step 3: Cross multiply
    177,659.60x = 266,100.60 × 154,331.60
  4. Step 4: Simplify right side
    177,659.60x = 41,067,731,358.96
  5. Step 5: Solve for x
    x = 41,067,731,358.96/177,659.60
  6. Step 6: Final answer
    x = 231,159.65

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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.