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Finding the Fourth Proportional to 83,170.80, 124,772.40 and 24,008.40

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Solution

The fourth proportional to 83,170.80, 124,772.40 and 24,008.40 is: 36,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.80 : 124,772.40 = 24,008.40 : x
  2. Step 2: Convert to fraction form
    83,170.80/124,772.40 = 24,008.40/x
  3. Step 3: Cross multiply
    83,170.80x = 124,772.40 × 24,008.40
  4. Step 4: Simplify right side
    83,170.80x = 2,995,585,688.16
  5. Step 5: Solve for x
    x = 2,995,585,688.16/83,170.80
  6. Step 6: Final answer
    x = 36,017.28

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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.