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Finding the Fourth Proportional to 79,167.40, 118,818.30 and 32,453.80

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Solution

The fourth proportional to 79,167.40, 118,818.30 and 32,453.80 is: 48,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,167.40 : 118,818.30 = 32,453.80 : x
  2. Step 2: Convert to fraction form
    79,167.40/118,818.30 = 32,453.80/x
  3. Step 3: Cross multiply
    79,167.40x = 118,818.30 × 32,453.80
  4. Step 4: Simplify right side
    79,167.40x = 3,856,105,344.54
  5. Step 5: Solve for x
    x = 3,856,105,344.54/79,167.40
  6. Step 6: Final answer
    x = 48,708.25

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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.