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Finding the Fourth Proportional to 168,419.48, 252,410.41 and 68,463.25

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Solution

The fourth proportional to 168,419.48, 252,410.41 and 68,463.25 is: 102,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,419.48 : 252,410.41 = 68,463.25 : x
  2. Step 2: Convert to fraction form
    168,419.48/252,410.41 = 68,463.25/x
  3. Step 3: Cross multiply
    168,419.48x = 252,410.41 × 68,463.25
  4. Step 4: Simplify right side
    168,419.48x = 17,280,835,398.06
  5. Step 5: Solve for x
    x = 17,280,835,398.06/168,419.48
  6. Step 6: Final answer
    x = 102,605.92

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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.