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Finding the Fourth Proportional to 238,883.32, 358,376.82 and 72,667

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Solution

The fourth proportional to 238,883.32, 358,376.82 and 72,667 is: 109,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,883.32 : 358,376.82 = 72,667 : x
  2. Step 2: Convert to fraction form
    238,883.32/358,376.82 = 72,667/x
  3. Step 3: Cross multiply
    238,883.32x = 358,376.82 × 72,667
  4. Step 4: Simplify right side
    238,883.32x = 26,042,168,378.94
  5. Step 5: Solve for x
    x = 26,042,168,378.94/238,883.32
  6. Step 6: Final answer
    x = 109,016.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.