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Finding the Fourth Proportional to 127,847.71, 191,826.96 and 68,614.21

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Solution

The fourth proportional to 127,847.71, 191,826.96 and 68,614.21 is: 102,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.71 : 191,826.96 = 68,614.21 : x
  2. Step 2: Convert to fraction form
    127,847.71/191,826.96 = 68,614.21/x
  3. Step 3: Cross multiply
    127,847.71x = 191,826.96 × 68,614.21
  4. Step 4: Simplify right side
    127,847.71x = 13,162,055,317.10
  5. Step 5: Solve for x
    x = 13,162,055,317.10/127,847.71
  6. Step 6: Final answer
    x = 102,951.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.