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Finding the Fourth Proportional to 92,938.68, 139,408.11 and 22,817.97

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Solution

The fourth proportional to 92,938.68, 139,408.11 and 22,817.97 is: 34,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,938.68 : 139,408.11 = 22,817.97 : x
  2. Step 2: Convert to fraction form
    92,938.68/139,408.11 = 22,817.97/x
  3. Step 3: Cross multiply
    92,938.68x = 139,408.11 × 22,817.97
  4. Step 4: Simplify right side
    92,938.68x = 3,181,010,071.74
  5. Step 5: Solve for x
    x = 3,181,010,071.74/92,938.68
  6. Step 6: Final answer
    x = 34,226.98

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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.