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Finding the Fourth Proportional to 135,761.42, 203,560.25 and 60,867.98

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Solution

The fourth proportional to 135,761.42, 203,560.25 and 60,867.98 is: 91,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,761.42 : 203,560.25 = 60,867.98 : x
  2. Step 2: Convert to fraction form
    135,761.42/203,560.25 = 60,867.98/x
  3. Step 3: Cross multiply
    135,761.42x = 203,560.25 × 60,867.98
  4. Step 4: Simplify right side
    135,761.42x = 12,390,301,225.80
  5. Step 5: Solve for x
    x = 12,390,301,225.80/135,761.42
  6. Step 6: Final answer
    x = 91,265.26

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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.