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Finding the Fourth Proportional to 192,904.34, 266,205.09 and 106,863.05

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Solution

The fourth proportional to 192,904.34, 266,205.09 and 106,863.05 is: 147,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,904.34 : 266,205.09 = 106,863.05 : x
  2. Step 2: Convert to fraction form
    192,904.34/266,205.09 = 106,863.05/x
  3. Step 3: Cross multiply
    192,904.34x = 266,205.09 × 106,863.05
  4. Step 4: Simplify right side
    192,904.34x = 28,447,487,842.92
  5. Step 5: Solve for x
    x = 28,447,487,842.92/192,904.34
  6. Step 6: Final answer
    x = 147,469.40

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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.