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Finding the Fourth Proportional to 173,676.43, 239,668.32 and 96,155.53

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Solution

The fourth proportional to 173,676.43, 239,668.32 and 96,155.53 is: 132,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,676.43 : 239,668.32 = 96,155.53 : x
  2. Step 2: Convert to fraction form
    173,676.43/239,668.32 = 96,155.53/x
  3. Step 3: Cross multiply
    173,676.43x = 239,668.32 × 96,155.53
  4. Step 4: Simplify right side
    173,676.43x = 23,045,434,752.64
  5. Step 5: Solve for x
    x = 23,045,434,752.64/173,676.43
  6. Step 6: Final answer
    x = 132,691.78

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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.