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Finding the Fourth Proportional to 171,091.69, 236,106.54 and 95,640.19

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Solution

The fourth proportional to 171,091.69, 236,106.54 and 95,640.19 is: 131,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,091.69 : 236,106.54 = 95,640.19 : x
  2. Step 2: Convert to fraction form
    171,091.69/236,106.54 = 95,640.19/x
  3. Step 3: Cross multiply
    171,091.69x = 236,106.54 × 95,640.19
  4. Step 4: Simplify right side
    171,091.69x = 22,581,273,755.58
  5. Step 5: Solve for x
    x = 22,581,273,755.58/171,091.69
  6. Step 6: Final answer
    x = 131,983.47

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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.