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Finding the Fourth Proportional to 273,018.06, 376,529.31 and 177,489.90

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Solution

The fourth proportional to 273,018.06, 376,529.31 and 177,489.90 is: 244,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,018.06 : 376,529.31 = 177,489.90 : x
  2. Step 2: Convert to fraction form
    273,018.06/376,529.31 = 177,489.90/x
  3. Step 3: Cross multiply
    273,018.06x = 376,529.31 × 177,489.90
  4. Step 4: Simplify right side
    273,018.06x = 66,830,149,578.97
  5. Step 5: Solve for x
    x = 66,830,149,578.97/273,018.06
  6. Step 6: Final answer
    x = 244,782.89

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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.