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Finding the Fourth Proportional to 247,672.77, 341,789.73 and 140,263.71

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Solution

The fourth proportional to 247,672.77, 341,789.73 and 140,263.71 is: 193,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,672.77 : 341,789.73 = 140,263.71 : x
  2. Step 2: Convert to fraction form
    247,672.77/341,789.73 = 140,263.71/x
  3. Step 3: Cross multiply
    247,672.77x = 341,789.73 × 140,263.71
  4. Step 4: Simplify right side
    247,672.77x = 47,940,693,860.75
  5. Step 5: Solve for x
    x = 47,940,693,860.75/247,672.77
  6. Step 6: Final answer
    x = 193,564.66

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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.