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Finding the Fourth Proportional to 177,343.20, 265,246.80 and 158,757.60

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Solution

The fourth proportional to 177,343.20, 265,246.80 and 158,757.60 is: 237,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,343.20 : 265,246.80 = 158,757.60 : x
  2. Step 2: Convert to fraction form
    177,343.20/265,246.80 = 158,757.60/x
  3. Step 3: Cross multiply
    177,343.20x = 265,246.80 × 158,757.60
  4. Step 4: Simplify right side
    177,343.20x = 42,109,945,375.68
  5. Step 5: Solve for x
    x = 42,109,945,375.68/177,343.20
  6. Step 6: Final answer
    x = 237,448.89

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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.