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Finding the Fourth Proportional to 238,796.16, 329,760 and 154,058.88

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Solution

The fourth proportional to 238,796.16, 329,760 and 154,058.88 is: 212,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,796.16 : 329,760 = 154,058.88 : x
  2. Step 2: Convert to fraction form
    238,796.16/329,760 = 154,058.88/x
  3. Step 3: Cross multiply
    238,796.16x = 329,760 × 154,058.88
  4. Step 4: Simplify right side
    238,796.16x = 50,802,456,268.80
  5. Step 5: Solve for x
    x = 50,802,456,268.80/238,796.16
  6. Step 6: Final answer
    x = 212,744.03

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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.