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Finding the Fourth Proportional to 269,490.51, 404,062.96 and 111,827.79

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Solution

The fourth proportional to 269,490.51, 404,062.96 and 111,827.79 is: 167,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,490.51 : 404,062.96 = 111,827.79 : x
  2. Step 2: Convert to fraction form
    269,490.51/404,062.96 = 111,827.79/x
  3. Step 3: Cross multiply
    269,490.51x = 404,062.96 × 111,827.79
  4. Step 4: Simplify right side
    269,490.51x = 45,185,467,837.66
  5. Step 5: Solve for x
    x = 45,185,467,837.66/269,490.51
  6. Step 6: Final answer
    x = 167,669.98

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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.