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Finding the Fourth Proportional to 92,396.67, 138,593.79 and 22,275.42

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Solution

The fourth proportional to 92,396.67, 138,593.79 and 22,275.42 is: 33,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,396.67 : 138,593.79 = 22,275.42 : x
  2. Step 2: Convert to fraction form
    92,396.67/138,593.79 = 22,275.42/x
  3. Step 3: Cross multiply
    92,396.67x = 138,593.79 × 22,275.42
  4. Step 4: Simplify right side
    92,396.67x = 3,087,234,881.64
  5. Step 5: Solve for x
    x = 3,087,234,881.64/92,396.67
  6. Step 6: Final answer
    x = 33,412.84

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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.