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Finding the Fourth Proportional to 247,680.27, 341,903.39 and 167,216.78

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Solution

The fourth proportional to 247,680.27, 341,903.39 and 167,216.78 is: 230,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,680.27 : 341,903.39 = 167,216.78 : x
  2. Step 2: Convert to fraction form
    247,680.27/341,903.39 = 167,216.78/x
  3. Step 3: Cross multiply
    247,680.27x = 341,903.39 × 167,216.78
  4. Step 4: Simplify right side
    247,680.27x = 57,171,983,946.88
  5. Step 5: Solve for x
    x = 57,171,983,946.88/247,680.27
  6. Step 6: Final answer
    x = 230,829.79

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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.