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Finding the Fourth Proportional to 235,081.62, 352,620 and 57,589.56

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Solution

The fourth proportional to 235,081.62, 352,620 and 57,589.56 is: 86,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,081.62 : 352,620 = 57,589.56 : x
  2. Step 2: Convert to fraction form
    235,081.62/352,620 = 57,589.56/x
  3. Step 3: Cross multiply
    235,081.62x = 352,620 × 57,589.56
  4. Step 4: Simplify right side
    235,081.62x = 20,307,230,647.20
  5. Step 5: Solve for x
    x = 20,307,230,647.20/235,081.62
  6. Step 6: Final answer
    x = 86,383.74

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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.