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Finding the Fourth Proportional to 74,511.44, 111,764.28 and 25,263.44

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Solution

The fourth proportional to 74,511.44, 111,764.28 and 25,263.44 is: 37,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511.44 : 111,764.28 = 25,263.44 : x
  2. Step 2: Convert to fraction form
    74,511.44/111,764.28 = 25,263.44/x
  3. Step 3: Cross multiply
    74,511.44x = 111,764.28 × 25,263.44
  4. Step 4: Simplify right side
    74,511.44x = 2,823,550,181.92
  5. Step 5: Solve for x
    x = 2,823,550,181.92/74,511.44
  6. Step 6: Final answer
    x = 37,894.18

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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.