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Finding the Fourth Proportional to 273,319.23, 376,934.95 and 171,355.82

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Solution

The fourth proportional to 273,319.23, 376,934.95 and 171,355.82 is: 236,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,319.23 : 376,934.95 = 171,355.82 : x
  2. Step 2: Convert to fraction form
    273,319.23/376,934.95 = 171,355.82/x
  3. Step 3: Cross multiply
    273,319.23x = 376,934.95 × 171,355.82
  4. Step 4: Simplify right side
    273,319.23x = 64,589,997,443.91
  5. Step 5: Solve for x
    x = 64,589,997,443.91/273,319.23
  6. Step 6: Final answer
    x = 236,317.06

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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.