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Finding the Fourth Proportional to 71,222.48, 106,770.74 and 60,759.71

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Solution

The fourth proportional to 71,222.48, 106,770.74 and 60,759.71 is: 91,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,222.48 : 106,770.74 = 60,759.71 : x
  2. Step 2: Convert to fraction form
    71,222.48/106,770.74 = 60,759.71/x
  3. Step 3: Cross multiply
    71,222.48x = 106,770.74 × 60,759.71
  4. Step 4: Simplify right side
    71,222.48x = 6,487,358,361.23
  5. Step 5: Solve for x
    x = 6,487,358,361.23/71,222.48
  6. Step 6: Final answer
    x = 91,085.83

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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.