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Finding the Fourth Proportional to 168,196.60, 252,294.90 and 115,446.16

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Solution

The fourth proportional to 168,196.60, 252,294.90 and 115,446.16 is: 173,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,196.60 : 252,294.90 = 115,446.16 : x
  2. Step 2: Convert to fraction form
    168,196.60/252,294.90 = 115,446.16/x
  3. Step 3: Cross multiply
    168,196.60x = 252,294.90 × 115,446.16
  4. Step 4: Simplify right side
    168,196.60x = 29,126,477,392.58
  5. Step 5: Solve for x
    x = 29,126,477,392.58/168,196.60
  6. Step 6: Final answer
    x = 173,169.24

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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.