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Finding the Fourth Proportional to 168,614.40, 252,885.15 and 73,844.40

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Solution

The fourth proportional to 168,614.40, 252,885.15 and 73,844.40 is: 110,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,614.40 : 252,885.15 = 73,844.40 : x
  2. Step 2: Convert to fraction form
    168,614.40/252,885.15 = 73,844.40/x
  3. Step 3: Cross multiply
    168,614.40x = 252,885.15 × 73,844.40
  4. Step 4: Simplify right side
    168,614.40x = 18,674,152,170.66
  5. Step 5: Solve for x
    x = 18,674,152,170.66/168,614.40
  6. Step 6: Final answer
    x = 110,750.64

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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.