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Finding the Fourth Proportional to 218,165.63, 327,167.44 and 75,974.40

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Solution

The fourth proportional to 218,165.63, 327,167.44 and 75,974.40 is: 113,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,165.63 : 327,167.44 = 75,974.40 : x
  2. Step 2: Convert to fraction form
    218,165.63/327,167.44 = 75,974.40/x
  3. Step 3: Cross multiply
    218,165.63x = 327,167.44 × 75,974.40
  4. Step 4: Simplify right side
    218,165.63x = 24,856,349,763.60
  5. Step 5: Solve for x
    x = 24,856,349,763.60/218,165.63
  6. Step 6: Final answer
    x = 113,933.39

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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.