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Finding the Fourth Proportional to 80,356.80, 120,513.60 and 24,196.80

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Solution

The fourth proportional to 80,356.80, 120,513.60 and 24,196.80 is: 36,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,356.80 : 120,513.60 = 24,196.80 : x
  2. Step 2: Convert to fraction form
    80,356.80/120,513.60 = 24,196.80/x
  3. Step 3: Cross multiply
    80,356.80x = 120,513.60 × 24,196.80
  4. Step 4: Simplify right side
    80,356.80x = 2,916,043,476.48
  5. Step 5: Solve for x
    x = 2,916,043,476.48/80,356.80
  6. Step 6: Final answer
    x = 36,288.70

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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.