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Finding the Fourth Proportional to 92,213.67, 138,355.36 and 36,093.89

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Solution

The fourth proportional to 92,213.67, 138,355.36 and 36,093.89 is: 54,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,213.67 : 138,355.36 = 36,093.89 : x
  2. Step 2: Convert to fraction form
    92,213.67/138,355.36 = 36,093.89/x
  3. Step 3: Cross multiply
    92,213.67x = 138,355.36 × 36,093.89
  4. Step 4: Simplify right side
    92,213.67x = 4,993,782,825.18
  5. Step 5: Solve for x
    x = 4,993,782,825.18/92,213.67
  6. Step 6: Final answer
    x = 54,154.47

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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.