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Finding the Fourth Proportional to 135,103.96, 202,584.25 and 67,562.11

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Solution

The fourth proportional to 135,103.96, 202,584.25 and 67,562.11 is: 101,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,103.96 : 202,584.25 = 67,562.11 : x
  2. Step 2: Convert to fraction form
    135,103.96/202,584.25 = 67,562.11/x
  3. Step 3: Cross multiply
    135,103.96x = 202,584.25 × 67,562.11
  4. Step 4: Simplify right side
    135,103.96x = 13,687,019,382.77
  5. Step 5: Solve for x
    x = 13,687,019,382.77/135,103.96
  6. Step 6: Final answer
    x = 101,307.31

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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.