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Finding the Fourth Proportional to 228,916.30, 343,369.05 and 62,704.30

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Solution

The fourth proportional to 228,916.30, 343,369.05 and 62,704.30 is: 94,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,916.30 : 343,369.05 = 62,704.30 : x
  2. Step 2: Convert to fraction form
    228,916.30/343,369.05 = 62,704.30/x
  3. Step 3: Cross multiply
    228,916.30x = 343,369.05 × 62,704.30
  4. Step 4: Simplify right side
    228,916.30x = 21,530,715,921.92
  5. Step 5: Solve for x
    x = 21,530,715,921.92/228,916.30
  6. Step 6: Final answer
    x = 94,054.97

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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.