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Finding the Fourth Proportional to 82,503.68, 113,855.20 and 44,778.02

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Solution

The fourth proportional to 82,503.68, 113,855.20 and 44,778.02 is: 61,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,503.68 : 113,855.20 = 44,778.02 : x
  2. Step 2: Convert to fraction form
    82,503.68/113,855.20 = 44,778.02/x
  3. Step 3: Cross multiply
    82,503.68x = 113,855.20 × 44,778.02
  4. Step 4: Simplify right side
    82,503.68x = 5,098,209,741.48
  5. Step 5: Solve for x
    x = 5,098,209,741.48/82,503.68
  6. Step 6: Final answer
    x = 61,793.73

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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.