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Finding the Fourth Proportional to 64,339.54, 88,793.49 and 37,120.50

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Solution

The fourth proportional to 64,339.54, 88,793.49 and 37,120.50 is: 51,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.54 : 88,793.49 = 37,120.50 : x
  2. Step 2: Convert to fraction form
    64,339.54/88,793.49 = 37,120.50/x
  3. Step 3: Cross multiply
    64,339.54x = 88,793.49 × 37,120.50
  4. Step 4: Simplify right side
    64,339.54x = 3,296,058,745.55
  5. Step 5: Solve for x
    x = 3,296,058,745.55/64,339.54
  6. Step 6: Final answer
    x = 51,229.13

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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.