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Finding the Fourth Proportional to 92,539.96, 138,781.20 and 33,367.96

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Solution

The fourth proportional to 92,539.96, 138,781.20 and 33,367.96 is: 50,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,539.96 : 138,781.20 = 33,367.96 : x
  2. Step 2: Convert to fraction form
    92,539.96/138,781.20 = 33,367.96/x
  3. Step 3: Cross multiply
    92,539.96x = 138,781.20 × 33,367.96
  4. Step 4: Simplify right side
    92,539.96x = 4,630,845,530.35
  5. Step 5: Solve for x
    x = 4,630,845,530.35/92,539.96
  6. Step 6: Final answer
    x = 50,041.58

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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.