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Finding the Fourth Proportional to 181,625.49, 272,448.49 and 55,269.86

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Solution

The fourth proportional to 181,625.49, 272,448.49 and 55,269.86 is: 82,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,625.49 : 272,448.49 = 55,269.86 : x
  2. Step 2: Convert to fraction form
    181,625.49/272,448.49 = 55,269.86/x
  3. Step 3: Cross multiply
    181,625.49x = 272,448.49 × 55,269.86
  4. Step 4: Simplify right side
    181,625.49x = 15,058,188,260.92
  5. Step 5: Solve for x
    x = 15,058,188,260.92/181,625.49
  6. Step 6: Final answer
    x = 82,907.90

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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.