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Finding the Fourth Proportional to 79,027.85, 118,541.88 and 32,280.73

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Solution

The fourth proportional to 79,027.85, 118,541.88 and 32,280.73 is: 48,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,027.85 : 118,541.88 = 32,280.73 : x
  2. Step 2: Convert to fraction form
    79,027.85/118,541.88 = 32,280.73/x
  3. Step 3: Cross multiply
    79,027.85x = 118,541.88 × 32,280.73
  4. Step 4: Simplify right side
    79,027.85x = 3,826,618,125.62
  5. Step 5: Solve for x
    x = 3,826,618,125.62/79,027.85
  6. Step 6: Final answer
    x = 48,421.13

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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.