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Finding the Fourth Proportional to 92,387.33, 138,579.78 and 22,266.03

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Solution

The fourth proportional to 92,387.33, 138,579.78 and 22,266.03 is: 33,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,387.33 : 138,579.78 = 22,266.03 : x
  2. Step 2: Convert to fraction form
    92,387.33/138,579.78 = 22,266.03/x
  3. Step 3: Cross multiply
    92,387.33x = 138,579.78 × 22,266.03
  4. Step 4: Simplify right side
    92,387.33x = 3,085,621,427.54
  5. Step 5: Solve for x
    x = 3,085,621,427.54/92,387.33
  6. Step 6: Final answer
    x = 33,398.75

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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.