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Finding the Fourth Proportional to 79,204.80, 118,612.80 and 52,766.40

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Solution

The fourth proportional to 79,204.80, 118,612.80 and 52,766.40 is: 79,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,204.80 : 118,612.80 = 52,766.40 : x
  2. Step 2: Convert to fraction form
    79,204.80/118,612.80 = 52,766.40/x
  3. Step 3: Cross multiply
    79,204.80x = 118,612.80 × 52,766.40
  4. Step 4: Simplify right side
    79,204.80x = 6,258,770,449.92
  5. Step 5: Solve for x
    x = 6,258,770,449.92/79,204.80
  6. Step 6: Final answer
    x = 79,020.09

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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.