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Finding the Fourth Proportional to 185,058.78, 255,371.19 and 108,567.42

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Solution

The fourth proportional to 185,058.78, 255,371.19 and 108,567.42 is: 149,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,058.78 : 255,371.19 = 108,567.42 : x
  2. Step 2: Convert to fraction form
    185,058.78/255,371.19 = 108,567.42/x
  3. Step 3: Cross multiply
    185,058.78x = 255,371.19 × 108,567.42
  4. Step 4: Simplify right side
    185,058.78x = 27,724,991,240.63
  5. Step 5: Solve for x
    x = 27,724,991,240.63/185,058.78
  6. Step 6: Final answer
    x = 149,817.22

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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.