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Finding the Fourth Proportional to 84,800.75, 127,209.84 and 22,471.25

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Solution

The fourth proportional to 84,800.75, 127,209.84 and 22,471.25 is: 33,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800.75 : 127,209.84 = 22,471.25 : x
  2. Step 2: Convert to fraction form
    84,800.75/127,209.84 = 22,471.25/x
  3. Step 3: Cross multiply
    84,800.75x = 127,209.84 × 22,471.25
  4. Step 4: Simplify right side
    84,800.75x = 2,858,564,004.74
  5. Step 5: Solve for x
    x = 2,858,564,004.74/84,800.75
  6. Step 6: Final answer
    x = 33,709.18

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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.