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Finding the Fourth Proportional to 92,393.88, 138,575.58 and 33,218.52

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Solution

The fourth proportional to 92,393.88, 138,575.58 and 33,218.52 is: 49,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,393.88 : 138,575.58 = 33,218.52 : x
  2. Step 2: Convert to fraction form
    92,393.88/138,575.58 = 33,218.52/x
  3. Step 3: Cross multiply
    92,393.88x = 138,575.58 × 33,218.52
  4. Step 4: Simplify right side
    92,393.88x = 4,603,275,675.74
  5. Step 5: Solve for x
    x = 4,603,275,675.74/92,393.88
  6. Step 6: Final answer
    x = 49,822.30

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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.