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Finding the Fourth Proportional to 70,793.44, 106,145.62 and 33,330.96

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Solution

The fourth proportional to 70,793.44, 106,145.62 and 33,330.96 is: 49,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,793.44 : 106,145.62 = 33,330.96 : x
  2. Step 2: Convert to fraction form
    70,793.44/106,145.62 = 33,330.96/x
  3. Step 3: Cross multiply
    70,793.44x = 106,145.62 × 33,330.96
  4. Step 4: Simplify right side
    70,793.44x = 3,537,935,414.40
  5. Step 5: Solve for x
    x = 3,537,935,414.40/70,793.44
  6. Step 6: Final answer
    x = 49,975.47

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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.