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Finding the Fourth Proportional to 68,793.19, 103,168.50 and 33,232.42

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Solution

The fourth proportional to 68,793.19, 103,168.50 and 33,232.42 is: 49,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793.19 : 103,168.50 = 33,232.42 : x
  2. Step 2: Convert to fraction form
    68,793.19/103,168.50 = 33,232.42/x
  3. Step 3: Cross multiply
    68,793.19x = 103,168.50 × 33,232.42
  4. Step 4: Simplify right side
    68,793.19x = 3,428,538,922.77
  5. Step 5: Solve for x
    x = 3,428,538,922.77/68,793.19
  6. Step 6: Final answer
    x = 49,838.35

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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.