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Finding the Fourth Proportional to 239,249.97, 330,170.85 and 147,334.48

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Solution

The fourth proportional to 239,249.97, 330,170.85 and 147,334.48 is: 203,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,249.97 : 330,170.85 = 147,334.48 : x
  2. Step 2: Convert to fraction form
    239,249.97/330,170.85 = 147,334.48/x
  3. Step 3: Cross multiply
    239,249.97x = 330,170.85 × 147,334.48
  4. Step 4: Simplify right side
    239,249.97x = 48,645,549,670.48
  5. Step 5: Solve for x
    x = 48,645,549,670.48/239,249.97
  6. Step 6: Final answer
    x = 203,325.21

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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.