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Finding the Fourth Proportional to 109,374.44, 150,936.78 and 59,073.44

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Solution

The fourth proportional to 109,374.44, 150,936.78 and 59,073.44 is: 81,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,374.44 : 150,936.78 = 59,073.44 : x
  2. Step 2: Convert to fraction form
    109,374.44/150,936.78 = 59,073.44/x
  3. Step 3: Cross multiply
    109,374.44x = 150,936.78 × 59,073.44
  4. Step 4: Simplify right side
    109,374.44x = 8,916,354,800.70
  5. Step 5: Solve for x
    x = 8,916,354,800.70/109,374.44
  6. Step 6: Final answer
    x = 81,521.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.