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Finding the Fourth Proportional to 92,294.40, 138,441.60 and 36,174.62

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Solution

The fourth proportional to 92,294.40, 138,441.60 and 36,174.62 is: 54,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,294.40 : 138,441.60 = 36,174.62 : x
  2. Step 2: Convert to fraction form
    92,294.40/138,441.60 = 36,174.62/x
  3. Step 3: Cross multiply
    92,294.40x = 138,441.60 × 36,174.62
  4. Step 4: Simplify right side
    92,294.40x = 5,008,071,579.98
  5. Step 5: Solve for x
    x = 5,008,071,579.98/92,294.40
  6. Step 6: Final answer
    x = 54,261.92

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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.