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Finding the Fourth Proportional to 139,321.01, 192,265.09 and 75,659.27

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Solution

The fourth proportional to 139,321.01, 192,265.09 and 75,659.27 is: 104,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,321.01 : 192,265.09 = 75,659.27 : x
  2. Step 2: Convert to fraction form
    139,321.01/192,265.09 = 75,659.27/x
  3. Step 3: Cross multiply
    139,321.01x = 192,265.09 × 75,659.27
  4. Step 4: Simplify right side
    139,321.01x = 14,546,635,630.99
  5. Step 5: Solve for x
    x = 14,546,635,630.99/139,321.01
  6. Step 6: Final answer
    x = 104,410.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.