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Finding the Fourth Proportional to 234,509.79, 351,764.70 and 57,015.62

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Solution

The fourth proportional to 234,509.79, 351,764.70 and 57,015.62 is: 85,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,509.79 : 351,764.70 = 57,015.62 : x
  2. Step 2: Convert to fraction form
    234,509.79/351,764.70 = 57,015.62/x
  3. Step 3: Cross multiply
    234,509.79x = 351,764.70 × 57,015.62
  4. Step 4: Simplify right side
    234,509.79x = 20,056,082,464.61
  5. Step 5: Solve for x
    x = 20,056,082,464.61/234,509.79
  6. Step 6: Final answer
    x = 85,523.43

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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.