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Finding the Fourth Proportional to 238,163.98, 328,654.05 and 141,371.91

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Solution

The fourth proportional to 238,163.98, 328,654.05 and 141,371.91 is: 195,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,163.98 : 328,654.05 = 141,371.91 : x
  2. Step 2: Convert to fraction form
    238,163.98/328,654.05 = 141,371.91/x
  3. Step 3: Cross multiply
    238,163.98x = 328,654.05 × 141,371.91
  4. Step 4: Simplify right side
    238,163.98x = 46,462,452,010.19
  5. Step 5: Solve for x
    x = 46,462,452,010.19/238,163.98
  6. Step 6: Final answer
    x = 195,085.98

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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.