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Finding the Fourth Proportional to 109,158.92, 150,584.19 and 63,807.27

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Solution

The fourth proportional to 109,158.92, 150,584.19 and 63,807.27 is: 88,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,158.92 : 150,584.19 = 63,807.27 : x
  2. Step 2: Convert to fraction form
    109,158.92/150,584.19 = 63,807.27/x
  3. Step 3: Cross multiply
    109,158.92x = 150,584.19 × 63,807.27
  4. Step 4: Simplify right side
    109,158.92x = 9,608,365,750.02
  5. Step 5: Solve for x
    x = 9,608,365,750.02/109,158.92
  6. Step 6: Final answer
    x = 88,021.81

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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.