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Finding the Fourth Proportional to 234,511.62, 351,762.57 and 57,019.56

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Solution

The fourth proportional to 234,511.62, 351,762.57 and 57,019.56 is: 85,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,511.62 : 351,762.57 = 57,019.56 : x
  2. Step 2: Convert to fraction form
    234,511.62/351,762.57 = 57,019.56/x
  3. Step 3: Cross multiply
    234,511.62x = 351,762.57 × 57,019.56
  4. Step 4: Simplify right side
    234,511.62x = 20,057,346,965.87
  5. Step 5: Solve for x
    x = 20,057,346,965.87/234,511.62
  6. Step 6: Final answer
    x = 85,528.16

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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.