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Finding the Fourth Proportional to 247,686.53, 341,949.13 and 163,049.63

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Solution

The fourth proportional to 247,686.53, 341,949.13 and 163,049.63 is: 225,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,686.53 : 341,949.13 = 163,049.63 : x
  2. Step 2: Convert to fraction form
    247,686.53/341,949.13 = 163,049.63/x
  3. Step 3: Cross multiply
    247,686.53x = 341,949.13 × 163,049.63
  4. Step 4: Simplify right side
    247,686.53x = 55,754,677,007.95
  5. Step 5: Solve for x
    x = 55,754,677,007.95/247,686.53
  6. Step 6: Final answer
    x = 225,101.78

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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.