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Finding the Fourth Proportional to 247,672.89, 341,789.90 and 140,263.83

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Solution

The fourth proportional to 247,672.89, 341,789.90 and 140,263.83 is: 193,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,672.89 : 341,789.90 = 140,263.83 : x
  2. Step 2: Convert to fraction form
    247,672.89/341,789.90 = 140,263.83/x
  3. Step 3: Cross multiply
    247,672.89x = 341,789.90 × 140,263.83
  4. Step 4: Simplify right side
    247,672.89x = 47,940,760,779.98
  5. Step 5: Solve for x
    x = 47,940,760,779.98/247,672.89
  6. Step 6: Final answer
    x = 193,564.83

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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.