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Finding the Fourth Proportional to 83,416.40, 125,098.40 and 27,243.71

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Solution

The fourth proportional to 83,416.40, 125,098.40 and 27,243.71 is: 40,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.40 : 125,098.40 = 27,243.71 : x
  2. Step 2: Convert to fraction form
    83,416.40/125,098.40 = 27,243.71/x
  3. Step 3: Cross multiply
    83,416.40x = 125,098.40 × 27,243.71
  4. Step 4: Simplify right side
    83,416.40x = 3,408,143,973.68
  5. Step 5: Solve for x
    x = 3,408,143,973.68/83,416.40
  6. Step 6: Final answer
    x = 40,857.00

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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.