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Finding the Fourth Proportional to 83,008.80, 124,513.20 and 23,846.40

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Solution

The fourth proportional to 83,008.80, 124,513.20 and 23,846.40 is: 35,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,008.80 : 124,513.20 = 23,846.40 : x
  2. Step 2: Convert to fraction form
    83,008.80/124,513.20 = 23,846.40/x
  3. Step 3: Cross multiply
    83,008.80x = 124,513.20 × 23,846.40
  4. Step 4: Simplify right side
    83,008.80x = 2,969,191,572.48
  5. Step 5: Solve for x
    x = 2,969,191,572.48/83,008.80
  6. Step 6: Final answer
    x = 35,769.60

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Similar ratio
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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.