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Finding the Fourth Proportional to 192,833.38, 288,751.65 and 133,046.20

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Solution

The fourth proportional to 192,833.38, 288,751.65 and 133,046.20 is: 199,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,833.38 : 288,751.65 = 133,046.20 : x
  2. Step 2: Convert to fraction form
    192,833.38/288,751.65 = 133,046.20/x
  3. Step 3: Cross multiply
    192,833.38x = 288,751.65 × 133,046.20
  4. Step 4: Simplify right side
    192,833.38x = 38,417,309,776.23
  5. Step 5: Solve for x
    x = 38,417,309,776.23/192,833.38
  6. Step 6: Final answer
    x = 199,225.41

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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.