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Finding the Fourth Proportional to 73,737, 110,605.90 and 18,333

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Solution

The fourth proportional to 73,737, 110,605.90 and 18,333 is: 27,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,737 : 110,605.90 = 18,333 : x
  2. Step 2: Convert to fraction form
    73,737/110,605.90 = 18,333/x
  3. Step 3: Cross multiply
    73,737x = 110,605.90 × 18,333
  4. Step 4: Simplify right side
    73,737x = 2,027,737,964.70
  5. Step 5: Solve for x
    x = 2,027,737,964.70/73,737
  6. Step 6: Final answer
    x = 27,499.60

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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.