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Finding the Fourth Proportional to 234,614.60, 351,922.62 and 57,121.64

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Solution

The fourth proportional to 234,614.60, 351,922.62 and 57,121.64 is: 85,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,614.60 : 351,922.62 = 57,121.64 : x
  2. Step 2: Convert to fraction form
    234,614.60/351,922.62 = 57,121.64/x
  3. Step 3: Cross multiply
    234,614.60x = 351,922.62 × 57,121.64
  4. Step 4: Simplify right side
    234,614.60x = 20,102,397,207.50
  5. Step 5: Solve for x
    x = 20,102,397,207.50/234,614.60
  6. Step 6: Final answer
    x = 85,682.64

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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.