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Finding the Fourth Proportional to 81,566.54, 122,344.34 and 22,397.25

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Solution

The fourth proportional to 81,566.54, 122,344.34 and 22,397.25 is: 33,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,566.54 : 122,344.34 = 22,397.25 : x
  2. Step 2: Convert to fraction form
    81,566.54/122,344.34 = 22,397.25/x
  3. Step 3: Cross multiply
    81,566.54x = 122,344.34 × 22,397.25
  4. Step 4: Simplify right side
    81,566.54x = 2,740,176,657.08
  5. Step 5: Solve for x
    x = 2,740,176,657.08/81,566.54
  6. Step 6: Final answer
    x = 33,594.37

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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.