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Finding the Fourth Proportional to 135,761.42, 203,560.29 and 60,868.02

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Solution

The fourth proportional to 135,761.42, 203,560.29 and 60,868.02 is: 91,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,761.42 : 203,560.29 = 60,868.02 : x
  2. Step 2: Convert to fraction form
    135,761.42/203,560.29 = 60,868.02/x
  3. Step 3: Cross multiply
    135,761.42x = 203,560.29 × 60,868.02
  4. Step 4: Simplify right side
    135,761.42x = 12,390,311,802.93
  5. Step 5: Solve for x
    x = 12,390,311,802.93/135,761.42
  6. Step 6: Final answer
    x = 91,265.34

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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.