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Finding the Fourth Proportional to 92,687.44, 139,038.45 and 36,523.66

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Solution

The fourth proportional to 92,687.44, 139,038.45 and 36,523.66 is: 54,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687.44 : 139,038.45 = 36,523.66 : x
  2. Step 2: Convert to fraction form
    92,687.44/139,038.45 = 36,523.66/x
  3. Step 3: Cross multiply
    92,687.44x = 139,038.45 × 36,523.66
  4. Step 4: Simplify right side
    92,687.44x = 5,078,193,074.73
  5. Step 5: Solve for x
    x = 5,078,193,074.73/92,687.44
  6. Step 6: Final answer
    x = 54,788.36

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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.