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Finding the Fourth Proportional to 83,270.75, 124,873.55 and 27,097.20

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Solution

The fourth proportional to 83,270.75, 124,873.55 and 27,097.20 is: 40,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,270.75 : 124,873.55 = 27,097.20 : x
  2. Step 2: Convert to fraction form
    83,270.75/124,873.55 = 27,097.20/x
  3. Step 3: Cross multiply
    83,270.75x = 124,873.55 × 27,097.20
  4. Step 4: Simplify right side
    83,270.75x = 3,383,723,525.19
  5. Step 5: Solve for x
    x = 3,383,723,525.19/83,270.75
  6. Step 6: Final answer
    x = 40,635.20

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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.