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Finding the Fourth Proportional to 273,058.80, 376,710.66 and 165,589.62

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Solution

The fourth proportional to 273,058.80, 376,710.66 and 165,589.62 is: 228,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,058.80 : 376,710.66 = 165,589.62 : x
  2. Step 2: Convert to fraction form
    273,058.80/376,710.66 = 165,589.62/x
  3. Step 3: Cross multiply
    273,058.80x = 376,710.66 × 165,589.62
  4. Step 4: Simplify right side
    273,058.80x = 62,379,375,039.35
  5. Step 5: Solve for x
    x = 62,379,375,039.35/273,058.80
  6. Step 6: Final answer
    x = 228,446.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.