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Finding the Fourth Proportional to 67,494.68, 93,142.09 and 36,867.79

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Solution

The fourth proportional to 67,494.68, 93,142.09 and 36,867.79 is: 50,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,494.68 : 93,142.09 = 36,867.79 : x
  2. Step 2: Convert to fraction form
    67,494.68/93,142.09 = 36,867.79/x
  3. Step 3: Cross multiply
    67,494.68x = 93,142.09 × 36,867.79
  4. Step 4: Simplify right side
    67,494.68x = 3,433,942,689.26
  5. Step 5: Solve for x
    x = 3,433,942,689.26/67,494.68
  6. Step 6: Final answer
    x = 50,877.24

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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.