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Finding the Fourth Proportional to 67,366.68, 100,983.96 and 57,393.96

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Solution

The fourth proportional to 67,366.68, 100,983.96 and 57,393.96 is: 86,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,366.68 : 100,983.96 = 57,393.96 : x
  2. Step 2: Convert to fraction form
    67,366.68/100,983.96 = 57,393.96/x
  3. Step 3: Cross multiply
    67,366.68x = 100,983.96 × 57,393.96
  4. Step 4: Simplify right side
    67,366.68x = 5,795,869,360.88
  5. Step 5: Solve for x
    x = 5,795,869,360.88/67,366.68
  6. Step 6: Final answer
    x = 86,034.66

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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.