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Finding the Fourth Proportional to 192,863.52, 266,171.04 and 111,193.92

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Solution

The fourth proportional to 192,863.52, 266,171.04 and 111,193.92 is: 153,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,863.52 : 266,171.04 = 111,193.92 : x
  2. Step 2: Convert to fraction form
    192,863.52/266,171.04 = 111,193.92/x
  3. Step 3: Cross multiply
    192,863.52x = 266,171.04 × 111,193.92
  4. Step 4: Simplify right side
    192,863.52x = 29,596,601,328.08
  5. Step 5: Solve for x
    x = 29,596,601,328.08/192,863.52
  6. Step 6: Final answer
    x = 153,458.78

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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.