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Finding the Fourth Proportional to 92,496.15, 138,744.24 and 22,375.47

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Solution

The fourth proportional to 92,496.15, 138,744.24 and 22,375.47 is: 33,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,496.15 : 138,744.24 = 22,375.47 : x
  2. Step 2: Convert to fraction form
    92,496.15/138,744.24 = 22,375.47/x
  3. Step 3: Cross multiply
    92,496.15x = 138,744.24 × 22,375.47
  4. Step 4: Simplify right side
    92,496.15x = 3,104,467,579.79
  5. Step 5: Solve for x
    x = 3,104,467,579.79/92,496.15
  6. Step 6: Final answer
    x = 33,563.21

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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.