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Finding the Fourth Proportional to 192,957.92, 266,290.16 and 112,372.44

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Solution

The fourth proportional to 192,957.92, 266,290.16 and 112,372.44 is: 155,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,957.92 : 266,290.16 = 112,372.44 : x
  2. Step 2: Convert to fraction form
    192,957.92/266,290.16 = 112,372.44/x
  3. Step 3: Cross multiply
    192,957.92x = 266,290.16 × 112,372.44
  4. Step 4: Simplify right side
    192,957.92x = 29,923,675,027.19
  5. Step 5: Solve for x
    x = 29,923,675,027.19/192,957.92
  6. Step 6: Final answer
    x = 155,078.76

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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.