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Finding the Fourth Proportional to 234,015.87, 351,076.62 and 74,101.50

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Solution

The fourth proportional to 234,015.87, 351,076.62 and 74,101.50 is: 111,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,015.87 : 351,076.62 = 74,101.50 : x
  2. Step 2: Convert to fraction form
    234,015.87/351,076.62 = 74,101.50/x
  3. Step 3: Cross multiply
    234,015.87x = 351,076.62 × 74,101.50
  4. Step 4: Simplify right side
    234,015.87x = 26,015,304,156.93
  5. Step 5: Solve for x
    x = 26,015,304,156.93/234,015.87
  6. Step 6: Final answer
    x = 111,168.97

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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.