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Finding the Fourth Proportional to 238,991.67, 358,562.85 and 112,626.81

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Solution

The fourth proportional to 238,991.67, 358,562.85 and 112,626.81 is: 168,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,991.67 : 358,562.85 = 112,626.81 : x
  2. Step 2: Convert to fraction form
    238,991.67/358,562.85 = 112,626.81/x
  3. Step 3: Cross multiply
    238,991.67x = 358,562.85 × 112,626.81
  4. Step 4: Simplify right side
    238,991.67x = 40,383,787,624.06
  5. Step 5: Solve for x
    x = 40,383,787,624.06/238,991.67
  6. Step 6: Final answer
    x = 168,975.72

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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.