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Finding the Fourth Proportional to 238,863.83, 357,778.89 and 112,314.44

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Solution

The fourth proportional to 238,863.83, 357,778.89 and 112,314.44 is: 168,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,863.83 : 357,778.89 = 112,314.44 : x
  2. Step 2: Convert to fraction form
    238,863.83/357,778.89 = 112,314.44/x
  3. Step 3: Cross multiply
    238,863.83x = 357,778.89 × 112,314.44
  4. Step 4: Simplify right side
    238,863.83x = 40,183,733,885.28
  5. Step 5: Solve for x
    x = 40,183,733,885.28/238,863.83
  6. Step 6: Final answer
    x = 168,228.63

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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.