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Finding the Fourth Proportional to 109,143.92, 150,617.04 and 60,745.52

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Solution

The fourth proportional to 109,143.92, 150,617.04 and 60,745.52 is: 83,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,143.92 : 150,617.04 = 60,745.52 : x
  2. Step 2: Convert to fraction form
    109,143.92/150,617.04 = 60,745.52/x
  3. Step 3: Cross multiply
    109,143.92x = 150,617.04 × 60,745.52
  4. Step 4: Simplify right side
    109,143.92x = 9,149,310,415.66
  5. Step 5: Solve for x
    x = 9,149,310,415.66/109,143.92
  6. Step 6: Final answer
    x = 83,827.94

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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.