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Finding the Fourth Proportional to 192,486.92, 265,633.65 and 106,451.73

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Solution

The fourth proportional to 192,486.92, 265,633.65 and 106,451.73 is: 146,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,486.92 : 265,633.65 = 106,451.73 : x
  2. Step 2: Convert to fraction form
    192,486.92/265,633.65 = 106,451.73/x
  3. Step 3: Cross multiply
    192,486.92x = 265,633.65 × 106,451.73
  4. Step 4: Simplify right side
    192,486.92x = 28,277,161,588.71
  5. Step 5: Solve for x
    x = 28,277,161,588.71/192,486.92
  6. Step 6: Final answer
    x = 146,904.33

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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.