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Finding the Fourth Proportional to 127,385.54, 191,078.08 and 33,891.29

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Solution

The fourth proportional to 127,385.54, 191,078.08 and 33,891.29 is: 50,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,385.54 : 191,078.08 = 33,891.29 : x
  2. Step 2: Convert to fraction form
    127,385.54/191,078.08 = 33,891.29/x
  3. Step 3: Cross multiply
    127,385.54x = 191,078.08 × 33,891.29
  4. Step 4: Simplify right side
    127,385.54x = 6,475,882,621.92
  5. Step 5: Solve for x
    x = 6,475,882,621.92/127,385.54
  6. Step 6: Final answer
    x = 50,836.87

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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.