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Finding the Fourth Proportional to 79,227.92, 118,861.68 and 55,899.92

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Solution

The fourth proportional to 79,227.92, 118,861.68 and 55,899.92 is: 83,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.92 : 118,861.68 = 55,899.92 : x
  2. Step 2: Convert to fraction form
    79,227.92/118,861.68 = 55,899.92/x
  3. Step 3: Cross multiply
    79,227.92x = 118,861.68 × 55,899.92
  4. Step 4: Simplify right side
    79,227.92x = 6,644,358,403.07
  5. Step 5: Solve for x
    x = 6,644,358,403.07/79,227.92
  6. Step 6: Final answer
    x = 83,863.85

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1.5x scale

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.