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Finding the Fourth Proportional to 258,502.74, 356,558.44 and 167,696.42

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Solution

The fourth proportional to 258,502.74, 356,558.44 and 167,696.42 is: 231,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,502.74 : 356,558.44 = 167,696.42 : x
  2. Step 2: Convert to fraction form
    258,502.74/356,558.44 = 167,696.42/x
  3. Step 3: Cross multiply
    258,502.74x = 356,558.44 × 167,696.42
  4. Step 4: Simplify right side
    258,502.74x = 59,793,573,908.78
  5. Step 5: Solve for x
    x = 59,793,573,908.78/258,502.74
  6. Step 6: Final answer
    x = 231,307.31

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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.