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Finding the Fourth Proportional to 215,091.92, 296,850.48 and 123,219.92

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Solution

The fourth proportional to 215,091.92, 296,850.48 and 123,219.92 is: 170,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,091.92 : 296,850.48 = 123,219.92 : x
  2. Step 2: Convert to fraction form
    215,091.92/296,850.48 = 123,219.92/x
  3. Step 3: Cross multiply
    215,091.92x = 296,850.48 × 123,219.92
  4. Step 4: Simplify right side
    215,091.92x = 36,577,892,397.56
  5. Step 5: Solve for x
    x = 36,577,892,397.56/215,091.92
  6. Step 6: Final answer
    x = 170,057.03

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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.