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Finding the Fourth Proportional to 247,563.49, 371,285.72 and 114,315.73

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Solution

The fourth proportional to 247,563.49, 371,285.72 and 114,315.73 is: 171,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,563.49 : 371,285.72 = 114,315.73 : x
  2. Step 2: Convert to fraction form
    247,563.49/371,285.72 = 114,315.73/x
  3. Step 3: Cross multiply
    247,563.49x = 371,285.72 × 114,315.73
  4. Step 4: Simplify right side
    247,563.49x = 42,443,797,548.80
  5. Step 5: Solve for x
    x = 42,443,797,548.80/247,563.49
  6. Step 6: Final answer
    x = 171,446.11

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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.