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Finding the Fourth Proportional to 64,245.16, 96,374.19 and 22,119.67

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Solution

The fourth proportional to 64,245.16, 96,374.19 and 22,119.67 is: 33,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.16 : 96,374.19 = 22,119.67 : x
  2. Step 2: Convert to fraction form
    64,245.16/96,374.19 = 22,119.67/x
  3. Step 3: Cross multiply
    64,245.16x = 96,374.19 × 22,119.67
  4. Step 4: Simplify right side
    64,245.16x = 2,131,764,797.45
  5. Step 5: Solve for x
    x = 2,131,764,797.45/64,245.16
  6. Step 6: Final answer
    x = 33,181.72

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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.