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Finding the Fourth Proportional to 251,523.90, 377,244.83 and 73,989.38

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Solution

The fourth proportional to 251,523.90, 377,244.83 and 73,989.38 is: 110,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,523.90 : 377,244.83 = 73,989.38 : x
  2. Step 2: Convert to fraction form
    251,523.90/377,244.83 = 73,989.38/x
  3. Step 3: Cross multiply
    251,523.90x = 377,244.83 × 73,989.38
  4. Step 4: Simplify right side
    251,523.90x = 27,912,112,207.99
  5. Step 5: Solve for x
    x = 27,912,112,207.99/251,523.90
  6. Step 6: Final answer
    x = 110,972.01

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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.