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Finding the Fourth Proportional to 238,992, 329,808.96 and 133,008

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Solution

The fourth proportional to 238,992, 329,808.96 and 133,008 is: 183,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,992 : 329,808.96 = 133,008 : x
  2. Step 2: Convert to fraction form
    238,992/329,808.96 = 133,008/x
  3. Step 3: Cross multiply
    238,992x = 329,808.96 × 133,008
  4. Step 4: Simplify right side
    238,992x = 43,867,230,151.68
  5. Step 5: Solve for x
    x = 43,867,230,151.68/238,992
  6. Step 6: Final answer
    x = 183,551.04

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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.