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Finding the Fourth Proportional to 247,765.96, 341,912.10 and 134,589.52

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Solution

The fourth proportional to 247,765.96, 341,912.10 and 134,589.52 is: 185,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,765.96 : 341,912.10 = 134,589.52 : x
  2. Step 2: Convert to fraction form
    247,765.96/341,912.10 = 134,589.52/x
  3. Step 3: Cross multiply
    247,765.96x = 341,912.10 × 134,589.52
  4. Step 4: Simplify right side
    247,765.96x = 46,017,785,421.19
  5. Step 5: Solve for x
    x = 46,017,785,421.19/247,765.96
  6. Step 6: Final answer
    x = 185,730.86

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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.