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Finding the Fourth Proportional to 112,701.81, 169,069.20 and 33,822.27

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Solution

The fourth proportional to 112,701.81, 169,069.20 and 33,822.27 is: 50,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.81 : 169,069.20 = 33,822.27 : x
  2. Step 2: Convert to fraction form
    112,701.81/169,069.20 = 33,822.27/x
  3. Step 3: Cross multiply
    112,701.81x = 169,069.20 × 33,822.27
  4. Step 4: Simplify right side
    112,701.81x = 5,718,304,131.08
  5. Step 5: Solve for x
    x = 5,718,304,131.08/112,701.81
  6. Step 6: Final answer
    x = 50,738.35

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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.