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Finding the Fourth Proportional to 72,045, 108,084.78 and 22,797

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Solution

The fourth proportional to 72,045, 108,084.78 and 22,797 is: 34,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,045 : 108,084.78 = 22,797 : x
  2. Step 2: Convert to fraction form
    72,045/108,084.78 = 22,797/x
  3. Step 3: Cross multiply
    72,045x = 108,084.78 × 22,797
  4. Step 4: Simplify right side
    72,045x = 2,464,008,729.66
  5. Step 5: Solve for x
    x = 2,464,008,729.66/72,045
  6. Step 6: Final answer
    x = 34,200.97

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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.