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Finding the Fourth Proportional to 70,596.81, 105,864.12 and 33,167.52

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Solution

The fourth proportional to 70,596.81, 105,864.12 and 33,167.52 is: 49,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,596.81 : 105,864.12 = 33,167.52 : x
  2. Step 2: Convert to fraction form
    70,596.81/105,864.12 = 33,167.52/x
  3. Step 3: Cross multiply
    70,596.81x = 105,864.12 × 33,167.52
  4. Step 4: Simplify right side
    70,596.81x = 3,511,250,317.38
  5. Step 5: Solve for x
    x = 3,511,250,317.38/70,596.81
  6. Step 6: Final answer
    x = 49,736.67

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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.