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Finding the Fourth Proportional to 79,105.77, 118,677.69 and 32,358.78

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Solution

The fourth proportional to 79,105.77, 118,677.69 and 32,358.78 is: 48,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,105.77 : 118,677.69 = 32,358.78 : x
  2. Step 2: Convert to fraction form
    79,105.77/118,677.69 = 32,358.78/x
  3. Step 3: Cross multiply
    79,105.77x = 118,677.69 × 32,358.78
  4. Step 4: Simplify right side
    79,105.77x = 3,840,265,261.62
  5. Step 5: Solve for x
    x = 3,840,265,261.62/79,105.77
  6. Step 6: Final answer
    x = 48,545.96

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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.