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Finding the Fourth Proportional to 228,690.74, 343,004.97 and 60,196.96

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Solution

The fourth proportional to 228,690.74, 343,004.97 and 60,196.96 is: 90,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,690.74 : 343,004.97 = 60,196.96 : x
  2. Step 2: Convert to fraction form
    228,690.74/343,004.97 = 60,196.96/x
  3. Step 3: Cross multiply
    228,690.74x = 343,004.97 × 60,196.96
  4. Step 4: Simplify right side
    228,690.74x = 20,647,854,743.87
  5. Step 5: Solve for x
    x = 20,647,854,743.87/228,690.74
  6. Step 6: Final answer
    x = 90,287.24

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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.