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Finding the Fourth Proportional to 325,735.79, 488,668.25 and 101,086.63

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Solution

The fourth proportional to 325,735.79, 488,668.25 and 101,086.63 is: 151,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,735.79 : 488,668.25 = 101,086.63 : x
  2. Step 2: Convert to fraction form
    325,735.79/488,668.25 = 101,086.63/x
  3. Step 3: Cross multiply
    325,735.79x = 488,668.25 × 101,086.63
  4. Step 4: Simplify right side
    325,735.79x = 49,397,825,611.54
  5. Step 5: Solve for x
    x = 49,397,825,611.54/325,735.79
  6. Step 6: Final answer
    x = 151,649.98

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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.