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Finding the Fourth Proportional to 181,278.70, 250,200.22 and 115,825.48

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Solution

The fourth proportional to 181,278.70, 250,200.22 and 115,825.48 is: 159,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,278.70 : 250,200.22 = 115,825.48 : x
  2. Step 2: Convert to fraction form
    181,278.70/250,200.22 = 115,825.48/x
  3. Step 3: Cross multiply
    181,278.70x = 250,200.22 × 115,825.48
  4. Step 4: Simplify right side
    181,278.70x = 28,979,560,577.61
  5. Step 5: Solve for x
    x = 28,979,560,577.61/181,278.70
  6. Step 6: Final answer
    x = 159,861.92

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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.