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Finding the Fourth Proportional to 238,863.84, 358,296 and 89,101.92

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Solution

The fourth proportional to 238,863.84, 358,296 and 89,101.92 is: 133,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,863.84 : 358,296 = 89,101.92 : x
  2. Step 2: Convert to fraction form
    238,863.84/358,296 = 89,101.92/x
  3. Step 3: Cross multiply
    238,863.84x = 358,296 × 89,101.92
  4. Step 4: Simplify right side
    238,863.84x = 31,924,861,528.32
  5. Step 5: Solve for x
    x = 31,924,861,528.32/238,863.84
  6. Step 6: Final answer
    x = 133,652.97

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Why These Related Problems?

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