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Finding the Fourth Proportional to 192,400.70, 288,601.04 and 52,155.68

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Solution

The fourth proportional to 192,400.70, 288,601.04 and 52,155.68 is: 78,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,400.70 : 288,601.04 = 52,155.68 : x
  2. Step 2: Convert to fraction form
    192,400.70/288,601.04 = 52,155.68/x
  3. Step 3: Cross multiply
    192,400.70x = 288,601.04 × 52,155.68
  4. Step 4: Simplify right side
    192,400.70x = 15,052,183,489.91
  5. Step 5: Solve for x
    x = 15,052,183,489.91/192,400.70
  6. Step 6: Final answer
    x = 78,233.52

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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.