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Finding the Fourth Proportional to 70,324.96, 105,488.52 and 22,939.84

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Solution

The fourth proportional to 70,324.96, 105,488.52 and 22,939.84 is: 34,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.96 : 105,488.52 = 22,939.84 : x
  2. Step 2: Convert to fraction form
    70,324.96/105,488.52 = 22,939.84/x
  3. Step 3: Cross multiply
    70,324.96x = 105,488.52 × 22,939.84
  4. Step 4: Simplify right side
    70,324.96x = 2,419,889,770.64
  5. Step 5: Solve for x
    x = 2,419,889,770.64/70,324.96
  6. Step 6: Final answer
    x = 34,410.11

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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.