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Finding the Fourth Proportional to 325,120.52, 487,631.52 and 88,481.65

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Solution

The fourth proportional to 325,120.52, 487,631.52 and 88,481.65 is: 132,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,120.52 : 487,631.52 = 88,481.65 : x
  2. Step 2: Convert to fraction form
    325,120.52/487,631.52 = 88,481.65/x
  3. Step 3: Cross multiply
    325,120.52x = 487,631.52 × 88,481.65
  4. Step 4: Simplify right side
    325,120.52x = 43,146,441,481.61
  5. Step 5: Solve for x
    x = 43,146,441,481.61/325,120.52
  6. Step 6: Final answer
    x = 132,709.07

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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.