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Finding the Fourth Proportional to 325,406.97, 488,107.62 and 88,749.27

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Solution

The fourth proportional to 325,406.97, 488,107.62 and 88,749.27 is: 133,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,406.97 : 488,107.62 = 88,749.27 : x
  2. Step 2: Convert to fraction form
    325,406.97/488,107.62 = 88,749.27/x
  3. Step 3: Cross multiply
    325,406.97x = 488,107.62 × 88,749.27
  4. Step 4: Simplify right side
    325,406.97x = 43,319,194,956.44
  5. Step 5: Solve for x
    x = 43,319,194,956.44/325,406.97
  6. Step 6: Final answer
    x = 133,123.13

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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.