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Finding the Fourth Proportional to 92,495.70, 138,747.43 and 29,314.44

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Solution

The fourth proportional to 92,495.70, 138,747.43 and 29,314.44 is: 43,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.70 : 138,747.43 = 29,314.44 : x
  2. Step 2: Convert to fraction form
    92,495.70/138,747.43 = 29,314.44/x
  3. Step 3: Cross multiply
    92,495.70x = 138,747.43 × 29,314.44
  4. Step 4: Simplify right side
    92,495.70x = 4,067,303,211.89
  5. Step 5: Solve for x
    x = 4,067,303,211.89/92,495.70
  6. Step 6: Final answer
    x = 43,972.89

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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.