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Finding the Fourth Proportional to 238,312.69, 357,468.78 and 60,819.70

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Solution

The fourth proportional to 238,312.69, 357,468.78 and 60,819.70 is: 91,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,312.69 : 357,468.78 = 60,819.70 : x
  2. Step 2: Convert to fraction form
    238,312.69/357,468.78 = 60,819.70/x
  3. Step 3: Cross multiply
    238,312.69x = 357,468.78 × 60,819.70
  4. Step 4: Simplify right side
    238,312.69x = 21,741,143,958.97
  5. Step 5: Solve for x
    x = 21,741,143,958.97/238,312.69
  6. Step 6: Final answer
    x = 91,229.48

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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.