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Finding the Fourth Proportional to 91,046.93, 125,600.10 and 60,839.67

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Solution

The fourth proportional to 91,046.93, 125,600.10 and 60,839.67 is: 83,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,046.93 : 125,600.10 = 60,839.67 : x
  2. Step 2: Convert to fraction form
    91,046.93/125,600.10 = 60,839.67/x
  3. Step 3: Cross multiply
    91,046.93x = 125,600.10 × 60,839.67
  4. Step 4: Simplify right side
    91,046.93x = 7,641,468,635.97
  5. Step 5: Solve for x
    x = 7,641,468,635.97/91,046.93
  6. Step 6: Final answer
    x = 83,928.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.