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Finding the Fourth Proportional to 255,769.31, 352,956.97 and 141,058.54

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Solution

The fourth proportional to 255,769.31, 352,956.97 and 141,058.54 is: 194,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,769.31 : 352,956.97 = 141,058.54 : x
  2. Step 2: Convert to fraction form
    255,769.31/352,956.97 = 141,058.54/x
  3. Step 3: Cross multiply
    255,769.31x = 352,956.97 × 141,058.54
  4. Step 4: Simplify right side
    255,769.31x = 49,787,595,488.54
  5. Step 5: Solve for x
    x = 49,787,595,488.54/255,769.31
  6. Step 6: Final answer
    x = 194,658.21

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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.