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Finding the Fourth Proportional to 168,665.96, 232,767.78 and 97,046.12

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Solution

The fourth proportional to 168,665.96, 232,767.78 and 97,046.12 is: 133,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,665.96 : 232,767.78 = 97,046.12 : x
  2. Step 2: Convert to fraction form
    168,665.96/232,767.78 = 97,046.12/x
  3. Step 3: Cross multiply
    168,665.96x = 232,767.78 × 97,046.12
  4. Step 4: Simplify right side
    168,665.96x = 22,589,209,910.01
  5. Step 5: Solve for x
    x = 22,589,209,910.01/168,665.96
  6. Step 6: Final answer
    x = 133,928.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.