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Finding the Fourth Proportional to 192,015.86, 264,982.02 and 107,132.90

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Solution

The fourth proportional to 192,015.86, 264,982.02 and 107,132.90 is: 147,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.86 : 264,982.02 = 107,132.90 : x
  2. Step 2: Convert to fraction form
    192,015.86/264,982.02 = 107,132.90/x
  3. Step 3: Cross multiply
    192,015.86x = 264,982.02 × 107,132.90
  4. Step 4: Simplify right side
    192,015.86x = 28,388,292,250.46
  5. Step 5: Solve for x
    x = 28,388,292,250.46/192,015.86
  6. Step 6: Final answer
    x = 147,843.48

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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.