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Finding the Fourth Proportional to 91,883.92, 126,806.11 and 51,052.97

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Solution

The fourth proportional to 91,883.92, 126,806.11 and 51,052.97 is: 70,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,883.92 : 126,806.11 = 51,052.97 : x
  2. Step 2: Convert to fraction form
    91,883.92/126,806.11 = 51,052.97/x
  3. Step 3: Cross multiply
    91,883.92x = 126,806.11 × 51,052.97
  4. Step 4: Simplify right side
    91,883.92x = 6,473,828,529.65
  5. Step 5: Solve for x
    x = 6,473,828,529.65/91,883.92
  6. Step 6: Final answer
    x = 70,456.60

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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.