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Finding the Fourth Proportional to 177,518.52, 265,770.90 and 135,349.56

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Solution

The fourth proportional to 177,518.52, 265,770.90 and 135,349.56 is: 202,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,518.52 : 265,770.90 = 135,349.56 : x
  2. Step 2: Convert to fraction form
    177,518.52/265,770.90 = 135,349.56/x
  3. Step 3: Cross multiply
    177,518.52x = 265,770.90 × 135,349.56
  4. Step 4: Simplify right side
    177,518.52x = 35,971,974,375.80
  5. Step 5: Solve for x
    x = 35,971,974,375.80/177,518.52
  6. Step 6: Final answer
    x = 202,637.87

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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.