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Finding the Fourth Proportional to 157,793.89, 217,689.51 and 96,493.65

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Solution

The fourth proportional to 157,793.89, 217,689.51 and 96,493.65 is: 133,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,793.89 : 217,689.51 = 96,493.65 : x
  2. Step 2: Convert to fraction form
    157,793.89/217,689.51 = 96,493.65/x
  3. Step 3: Cross multiply
    157,793.89x = 217,689.51 × 96,493.65
  4. Step 4: Simplify right side
    157,793.89x = 21,005,654,950.31
  5. Step 5: Solve for x
    x = 21,005,654,950.31/157,793.89
  6. Step 6: Final answer
    x = 133,120.84

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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.