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Finding the Fourth Proportional to 72,227.95, 108,322.49 and 25,474.75

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Solution

The fourth proportional to 72,227.95, 108,322.49 and 25,474.75 is: 38,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,227.95 : 108,322.49 = 25,474.75 : x
  2. Step 2: Convert to fraction form
    72,227.95/108,322.49 = 25,474.75/x
  3. Step 3: Cross multiply
    72,227.95x = 108,322.49 × 25,474.75
  4. Step 4: Simplify right side
    72,227.95x = 2,759,488,224.75
  5. Step 5: Solve for x
    x = 2,759,488,224.75/72,227.95
  6. Step 6: Final answer
    x = 38,205.27

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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.