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Finding the Fourth Proportional to 147,365.77, 220,891.26 and 84,049.56

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Solution

The fourth proportional to 147,365.77, 220,891.26 and 84,049.56 is: 125,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,365.77 : 220,891.26 = 84,049.56 : x
  2. Step 2: Convert to fraction form
    147,365.77/220,891.26 = 84,049.56/x
  3. Step 3: Cross multiply
    147,365.77x = 220,891.26 × 84,049.56
  4. Step 4: Simplify right side
    147,365.77x = 18,565,813,210.85
  5. Step 5: Solve for x
    x = 18,565,813,210.85/147,365.77
  6. Step 6: Final answer
    x = 125,984.57

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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.