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Finding the Fourth Proportional to 92,513.75, 138,770.67 and 34,821.83

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Solution

The fourth proportional to 92,513.75, 138,770.67 and 34,821.83 is: 52,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.75 : 138,770.67 = 34,821.83 : x
  2. Step 2: Convert to fraction form
    92,513.75/138,770.67 = 34,821.83/x
  3. Step 3: Cross multiply
    92,513.75x = 138,770.67 × 34,821.83
  4. Step 4: Simplify right side
    92,513.75x = 4,832,247,985.87
  5. Step 5: Solve for x
    x = 4,832,247,985.87/92,513.75
  6. Step 6: Final answer
    x = 52,232.76

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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.