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Finding the Fourth Proportional to 238,573.91, 357,861 and 112,121.37

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Solution

The fourth proportional to 238,573.91, 357,861 and 112,121.37 is: 168,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,573.91 : 357,861 = 112,121.37 : x
  2. Step 2: Convert to fraction form
    238,573.91/357,861 = 112,121.37/x
  3. Step 3: Cross multiply
    238,573.91x = 357,861 × 112,121.37
  4. Step 4: Simplify right side
    238,573.91x = 40,123,865,589.57
  5. Step 5: Solve for x
    x = 40,123,865,589.57/238,573.91
  6. Step 6: Final answer
    x = 168,182.12

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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.