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Finding the Fourth Proportional to 70,910.62, 106,378.58 and 23,528.55

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Solution

The fourth proportional to 70,910.62, 106,378.58 and 23,528.55 is: 35,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.62 : 106,378.58 = 23,528.55 : x
  2. Step 2: Convert to fraction form
    70,910.62/106,378.58 = 23,528.55/x
  3. Step 3: Cross multiply
    70,910.62x = 106,378.58 × 23,528.55
  4. Step 4: Simplify right side
    70,910.62x = 2,502,933,738.46
  5. Step 5: Solve for x
    x = 2,502,933,738.46/70,910.62
  6. Step 6: Final answer
    x = 35,297.02

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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.