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Finding the Fourth Proportional to 325,749.78, 488,601.54 and 101,104.83

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Solution

The fourth proportional to 325,749.78, 488,601.54 and 101,104.83 is: 151,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,749.78 : 488,601.54 = 101,104.83 : x
  2. Step 2: Convert to fraction form
    325,749.78/488,601.54 = 101,104.83/x
  3. Step 3: Cross multiply
    325,749.78x = 488,601.54 × 101,104.83
  4. Step 4: Simplify right side
    325,749.78x = 49,399,975,639.44
  5. Step 5: Solve for x
    x = 49,399,975,639.44/325,749.78
  6. Step 6: Final answer
    x = 151,650.07

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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.