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Finding the Fourth Proportional to 79,565.76, 119,277.36 and 32,788.80

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Solution

The fourth proportional to 79,565.76, 119,277.36 and 32,788.80 is: 49,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.76 : 119,277.36 = 32,788.80 : x
  2. Step 2: Convert to fraction form
    79,565.76/119,277.36 = 32,788.80/x
  3. Step 3: Cross multiply
    79,565.76x = 119,277.36 × 32,788.80
  4. Step 4: Simplify right side
    79,565.76x = 3,910,961,501.57
  5. Step 5: Solve for x
    x = 3,910,961,501.57/79,565.76
  6. Step 6: Final answer
    x = 49,153.83

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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.