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Finding the Fourth Proportional to 92,770.67, 139,165.12 and 26,211.32

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Solution

The fourth proportional to 92,770.67, 139,165.12 and 26,211.32 is: 39,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,770.67 : 139,165.12 = 26,211.32 : x
  2. Step 2: Convert to fraction form
    92,770.67/139,165.12 = 26,211.32/x
  3. Step 3: Cross multiply
    92,770.67x = 139,165.12 × 26,211.32
  4. Step 4: Simplify right side
    92,770.67x = 3,647,701,493.16
  5. Step 5: Solve for x
    x = 3,647,701,493.16/92,770.67
  6. Step 6: Final answer
    x = 39,319.56

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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.