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Finding the Fourth Proportional to 70,377.62, 105,508.24 and 32,919.26

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Solution

The fourth proportional to 70,377.62, 105,508.24 and 32,919.26 is: 49,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,377.62 : 105,508.24 = 32,919.26 : x
  2. Step 2: Convert to fraction form
    70,377.62/105,508.24 = 32,919.26/x
  3. Step 3: Cross multiply
    70,377.62x = 105,508.24 × 32,919.26
  4. Step 4: Simplify right side
    70,377.62x = 3,473,252,574.86
  5. Step 5: Solve for x
    x = 3,473,252,574.86/70,377.62
  6. Step 6: Final answer
    x = 49,351.67

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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.