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Finding the Fourth Proportional to 172,195.65, 237,629.79 and 95,712.33

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Solution

The fourth proportional to 172,195.65, 237,629.79 and 95,712.33 is: 132,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,195.65 : 237,629.79 = 95,712.33 : x
  2. Step 2: Convert to fraction form
    172,195.65/237,629.79 = 95,712.33/x
  3. Step 3: Cross multiply
    172,195.65x = 237,629.79 × 95,712.33
  4. Step 4: Simplify right side
    172,195.65x = 22,744,100,878.31
  5. Step 5: Solve for x
    x = 22,744,100,878.31/172,195.65
  6. Step 6: Final answer
    x = 132,082.90

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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.