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Finding the Fourth Proportional to 192,216.52, 288,324.78 and 87,033.16

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Solution

The fourth proportional to 192,216.52, 288,324.78 and 87,033.16 is: 130,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,216.52 : 288,324.78 = 87,033.16 : x
  2. Step 2: Convert to fraction form
    192,216.52/288,324.78 = 87,033.16/x
  3. Step 3: Cross multiply
    192,216.52x = 288,324.78 × 87,033.16
  4. Step 4: Simplify right side
    192,216.52x = 25,093,816,709.70
  5. Step 5: Solve for x
    x = 25,093,816,709.70/192,216.52
  6. Step 6: Final answer
    x = 130,549.74

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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.