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Finding the Fourth Proportional to 172,096.80, 237,454.80 and 96,640.32

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Solution

The fourth proportional to 172,096.80, 237,454.80 and 96,640.32 is: 133,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,096.80 : 237,454.80 = 96,640.32 : x
  2. Step 2: Convert to fraction form
    172,096.80/237,454.80 = 96,640.32/x
  3. Step 3: Cross multiply
    172,096.80x = 237,454.80 × 96,640.32
  4. Step 4: Simplify right side
    172,096.80x = 22,947,707,857.54
  5. Step 5: Solve for x
    x = 22,947,707,857.54/172,096.80
  6. Step 6: Final answer
    x = 133,341.86

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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.