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Finding the Fourth Proportional to 251,753.90, 347,410.13 and 144,249.17

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Solution

The fourth proportional to 251,753.90, 347,410.13 and 144,249.17 is: 199,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,753.90 : 347,410.13 = 144,249.17 : x
  2. Step 2: Convert to fraction form
    251,753.90/347,410.13 = 144,249.17/x
  3. Step 3: Cross multiply
    251,753.90x = 347,410.13 × 144,249.17
  4. Step 4: Simplify right side
    251,753.90x = 50,113,620,443.80
  5. Step 5: Solve for x
    x = 50,113,620,443.80/251,753.90
  6. Step 6: Final answer
    x = 199,057.97

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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.