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Finding the Fourth Proportional to 92,878.73, 139,318.10 and 22,757.44

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Solution

The fourth proportional to 92,878.73, 139,318.10 and 22,757.44 is: 34,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,878.73 : 139,318.10 = 22,757.44 : x
  2. Step 2: Convert to fraction form
    92,878.73/139,318.10 = 22,757.44/x
  3. Step 3: Cross multiply
    92,878.73x = 139,318.10 × 22,757.44
  4. Step 4: Simplify right side
    92,878.73x = 3,170,523,301.66
  5. Step 5: Solve for x
    x = 3,170,523,301.66/92,878.73
  6. Step 6: Final answer
    x = 34,136.16

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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.