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Finding the Fourth Proportional to 79,577.60, 119,366.40 and 32,806.40

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Solution

The fourth proportional to 79,577.60, 119,366.40 and 32,806.40 is: 49,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,577.60 : 119,366.40 = 32,806.40 : x
  2. Step 2: Convert to fraction form
    79,577.60/119,366.40 = 32,806.40/x
  3. Step 3: Cross multiply
    79,577.60x = 119,366.40 × 32,806.40
  4. Step 4: Simplify right side
    79,577.60x = 3,915,981,864.96
  5. Step 5: Solve for x
    x = 3,915,981,864.96/79,577.60
  6. Step 6: Final answer
    x = 49,209.60

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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.