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Finding the Fourth Proportional to 192,660.92, 288,962.22 and 52,430.48

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Solution

The fourth proportional to 192,660.92, 288,962.22 and 52,430.48 is: 78,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,660.92 : 288,962.22 = 52,430.48 : x
  2. Step 2: Convert to fraction form
    192,660.92/288,962.22 = 52,430.48/x
  3. Step 3: Cross multiply
    192,660.92x = 288,962.22 × 52,430.48
  4. Step 4: Simplify right side
    192,660.92x = 15,150,427,896.47
  5. Step 5: Solve for x
    x = 15,150,427,896.47/192,660.92
  6. Step 6: Final answer
    x = 78,637.78

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1.5x scale

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.