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Finding the Fourth Proportional to 40,124.44, 60,196.38 and 12,044.44

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Solution

The fourth proportional to 40,124.44, 60,196.38 and 12,044.44 is: 18,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.44 : 60,196.38 = 12,044.44 : x
  2. Step 2: Convert to fraction form
    40,124.44/60,196.38 = 12,044.44/x
  3. Step 3: Cross multiply
    40,124.44x = 60,196.38 × 12,044.44
  4. Step 4: Simplify right side
    40,124.44x = 725,031,687.13
  5. Step 5: Solve for x
    x = 725,031,687.13/40,124.44
  6. Step 6: Final answer
    x = 18,069.58

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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.