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Finding the Fourth Proportional to 238,753.94, 329,473.48 and 131,323.94

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Solution

The fourth proportional to 238,753.94, 329,473.48 and 131,323.94 is: 181,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,753.94 : 329,473.48 = 131,323.94 : x
  2. Step 2: Convert to fraction form
    238,753.94/329,473.48 = 131,323.94/x
  3. Step 3: Cross multiply
    238,753.94x = 329,473.48 × 131,323.94
  4. Step 4: Simplify right side
    238,753.94x = 43,267,755,519.11
  5. Step 5: Solve for x
    x = 43,267,755,519.11/238,753.94
  6. Step 6: Final answer
    x = 181,223.21

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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.