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Finding the Fourth Proportional to 168,062.40, 252,140.45 and 73,301.04

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Solution

The fourth proportional to 168,062.40, 252,140.45 and 73,301.04 is: 109,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,062.40 : 252,140.45 = 73,301.04 : x
  2. Step 2: Convert to fraction form
    168,062.40/252,140.45 = 73,301.04/x
  3. Step 3: Cross multiply
    168,062.40x = 252,140.45 × 73,301.04
  4. Step 4: Simplify right side
    168,062.40x = 18,482,156,844.56
  5. Step 5: Solve for x
    x = 18,482,156,844.56/168,062.40
  6. Step 6: Final answer
    x = 109,971.99

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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.