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Finding the Fourth Proportional to 73,372.31, 110,053.09 and 23,439

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Solution

The fourth proportional to 73,372.31, 110,053.09 and 23,439 is: 35,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,372.31 : 110,053.09 = 23,439 : x
  2. Step 2: Convert to fraction form
    73,372.31/110,053.09 = 23,439/x
  3. Step 3: Cross multiply
    73,372.31x = 110,053.09 × 23,439
  4. Step 4: Simplify right side
    73,372.31x = 2,579,534,376.51
  5. Step 5: Solve for x
    x = 2,579,534,376.51/73,372.31
  6. Step 6: Final answer
    x = 35,156.78

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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.