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Finding the Fourth Proportional to 247,612.72, 341,986.92 and 166,900.96

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Solution

The fourth proportional to 247,612.72, 341,986.92 and 166,900.96 is: 230,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,612.72 : 341,986.92 = 166,900.96 : x
  2. Step 2: Convert to fraction form
    247,612.72/341,986.92 = 166,900.96/x
  3. Step 3: Cross multiply
    247,612.72x = 341,986.92 × 166,900.96
  4. Step 4: Simplify right side
    247,612.72x = 57,077,945,255.44
  5. Step 5: Solve for x
    x = 57,077,945,255.44/247,612.72
  6. Step 6: Final answer
    x = 230,512.98

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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.