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Finding the Fourth Proportional to 73,736.33, 110,605.10 and 45,737.87

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Solution

The fourth proportional to 73,736.33, 110,605.10 and 45,737.87 is: 68,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,736.33 : 110,605.10 = 45,737.87 : x
  2. Step 2: Convert to fraction form
    73,736.33/110,605.10 = 45,737.87/x
  3. Step 3: Cross multiply
    73,736.33x = 110,605.10 × 45,737.87
  4. Step 4: Simplify right side
    73,736.33x = 5,058,840,903.42
  5. Step 5: Solve for x
    x = 5,058,840,903.42/73,736.33
  6. Step 6: Final answer
    x = 68,607.17

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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.