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Finding the Fourth Proportional to 74,745.80, 112,137.65 and 24,826.16

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Solution

The fourth proportional to 74,745.80, 112,137.65 and 24,826.16 is: 37,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745.80 : 112,137.65 = 24,826.16 : x
  2. Step 2: Convert to fraction form
    74,745.80/112,137.65 = 24,826.16/x
  3. Step 3: Cross multiply
    74,745.80x = 112,137.65 × 24,826.16
  4. Step 4: Simplify right side
    74,745.80x = 2,783,946,556.10
  5. Step 5: Solve for x
    x = 2,783,946,556.10/74,745.80
  6. Step 6: Final answer
    x = 37,245.53

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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.