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Finding the Fourth Proportional to 92,388.44, 138,582.39 and 22,267.75

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Solution

The fourth proportional to 92,388.44, 138,582.39 and 22,267.75 is: 33,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,388.44 : 138,582.39 = 22,267.75 : x
  2. Step 2: Convert to fraction form
    92,388.44/138,582.39 = 22,267.75/x
  3. Step 3: Cross multiply
    92,388.44x = 138,582.39 × 22,267.75
  4. Step 4: Simplify right side
    92,388.44x = 3,085,917,322.01
  5. Step 5: Solve for x
    x = 3,085,917,322.01/92,388.44
  6. Step 6: Final answer
    x = 33,401.55

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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.