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Finding the Fourth Proportional to 135,034.60, 202,503.30 and 68,452.60

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Solution

The fourth proportional to 135,034.60, 202,503.30 and 68,452.60 is: 102,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,034.60 : 202,503.30 = 68,452.60 : x
  2. Step 2: Convert to fraction form
    135,034.60/202,503.30 = 68,452.60/x
  3. Step 3: Cross multiply
    135,034.60x = 202,503.30 × 68,452.60
  4. Step 4: Simplify right side
    135,034.60x = 13,861,877,393.58
  5. Step 5: Solve for x
    x = 13,861,877,393.58/135,034.60
  6. Step 6: Final answer
    x = 102,654.26

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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.