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Finding the Fourth Proportional to 192,101.89, 288,148.79 and 64,027.45

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Solution

The fourth proportional to 192,101.89, 288,148.79 and 64,027.45 is: 96,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,101.89 : 288,148.79 = 64,027.45 : x
  2. Step 2: Convert to fraction form
    192,101.89/288,148.79 = 64,027.45/x
  3. Step 3: Cross multiply
    192,101.89x = 288,148.79 × 64,027.45
  4. Step 4: Simplify right side
    192,101.89x = 18,449,431,683.98
  5. Step 5: Solve for x
    x = 18,449,431,683.98/192,101.89
  6. Step 6: Final answer
    x = 96,039.83

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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.