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Finding the Fourth Proportional to 235,141.11, 352,375.40 and 187,899.86

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Solution

The fourth proportional to 235,141.11, 352,375.40 and 187,899.86 is: 281,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,141.11 : 352,375.40 = 187,899.86 : x
  2. Step 2: Convert to fraction form
    235,141.11/352,375.40 = 187,899.86/x
  3. Step 3: Cross multiply
    235,141.11x = 352,375.40 × 187,899.86
  4. Step 4: Simplify right side
    235,141.11x = 66,211,285,626.07
  5. Step 5: Solve for x
    x = 66,211,285,626.07/235,141.11
  6. Step 6: Final answer
    x = 281,581.07

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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.