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Finding the Fourth Proportional to 258,616.08, 356,687.80 and 176,992.72

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Solution

The fourth proportional to 258,616.08, 356,687.80 and 176,992.72 is: 244,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,616.08 : 356,687.80 = 176,992.72 : x
  2. Step 2: Convert to fraction form
    258,616.08/356,687.80 = 176,992.72/x
  3. Step 3: Cross multiply
    258,616.08x = 356,687.80 × 176,992.72
  4. Step 4: Simplify right side
    258,616.08x = 63,131,143,912.82
  5. Step 5: Solve for x
    x = 63,131,143,912.82/258,616.08
  6. Step 6: Final answer
    x = 244,111.44

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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.