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Finding the Fourth Proportional to 325,809.02, 488,647.92 and 89,175.62

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Solution

The fourth proportional to 325,809.02, 488,647.92 and 89,175.62 is: 133,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,809.02 : 488,647.92 = 89,175.62 : x
  2. Step 2: Convert to fraction form
    325,809.02/488,647.92 = 89,175.62/x
  3. Step 3: Cross multiply
    325,809.02x = 488,647.92 × 89,175.62
  4. Step 4: Simplify right side
    325,809.02x = 43,575,481,227.71
  5. Step 5: Solve for x
    x = 43,575,481,227.71/325,809.02
  6. Step 6: Final answer
    x = 133,745.47

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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.