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Finding the Fourth Proportional to 247,718.52, 341,859.63 and 140,286.24

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Solution

The fourth proportional to 247,718.52, 341,859.63 and 140,286.24 is: 193,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718.52 : 341,859.63 = 140,286.24 : x
  2. Step 2: Convert to fraction form
    247,718.52/341,859.63 = 140,286.24/x
  3. Step 3: Cross multiply
    247,718.52x = 341,859.63 × 140,286.24
  4. Step 4: Simplify right side
    247,718.52x = 47,958,202,100.49
  5. Step 5: Solve for x
    x = 47,958,202,100.49/247,718.52
  6. Step 6: Final answer
    x = 193,599.58

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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.