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Finding the Fourth Proportional to 172,279.38, 237,745.55 and 96,827.88

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Solution

The fourth proportional to 172,279.38, 237,745.55 and 96,827.88 is: 133,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,279.38 : 237,745.55 = 96,827.88 : x
  2. Step 2: Convert to fraction form
    172,279.38/237,745.55 = 96,827.88/x
  3. Step 3: Cross multiply
    172,279.38x = 237,745.55 × 96,827.88
  4. Step 4: Simplify right side
    172,279.38x = 23,020,397,585.93
  5. Step 5: Solve for x
    x = 23,020,397,585.93/172,279.38
  6. Step 6: Final answer
    x = 133,622.48

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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.