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Finding the Fourth Proportional to 228,769.31, 343,153.97 and 62,557.31

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Solution

The fourth proportional to 228,769.31, 343,153.97 and 62,557.31 is: 93,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,769.31 : 343,153.97 = 62,557.31 : x
  2. Step 2: Convert to fraction form
    228,769.31/343,153.97 = 62,557.31/x
  3. Step 3: Cross multiply
    228,769.31x = 343,153.97 × 62,557.31
  4. Step 4: Simplify right side
    228,769.31x = 21,466,790,058.71
  5. Step 5: Solve for x
    x = 21,466,790,058.71/228,769.31
  6. Step 6: Final answer
    x = 93,835.97

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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.