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Finding the Fourth Proportional to 168,200.96, 252,301.43 and 68,360.76

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Solution

The fourth proportional to 168,200.96, 252,301.43 and 68,360.76 is: 102,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,200.96 : 252,301.43 = 68,360.76 : x
  2. Step 2: Convert to fraction form
    168,200.96/252,301.43 = 68,360.76/x
  3. Step 3: Cross multiply
    168,200.96x = 252,301.43 × 68,360.76
  4. Step 4: Simplify right side
    168,200.96x = 17,247,517,674.79
  5. Step 5: Solve for x
    x = 17,247,517,674.79/168,200.96
  6. Step 6: Final answer
    x = 102,541.14

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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.