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Finding the Fourth Proportional to 168,034.48, 231,885.78 and 96,425.78

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Solution

The fourth proportional to 168,034.48, 231,885.78 and 96,425.78 is: 133,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,034.48 : 231,885.78 = 96,425.78 : x
  2. Step 2: Convert to fraction form
    168,034.48/231,885.78 = 96,425.78/x
  3. Step 3: Cross multiply
    168,034.48x = 231,885.78 × 96,425.78
  4. Step 4: Simplify right side
    168,034.48x = 22,359,767,207.41
  5. Step 5: Solve for x
    x = 22,359,767,207.41/168,034.48
  6. Step 6: Final answer
    x = 133,066.54

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1.5x scale

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.