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Finding the Fourth Proportional to 192,633.80, 288,950.70 and 133,536.20

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Solution

The fourth proportional to 192,633.80, 288,950.70 and 133,536.20 is: 200,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,633.80 : 288,950.70 = 133,536.20 : x
  2. Step 2: Convert to fraction form
    192,633.80/288,950.70 = 133,536.20/x
  3. Step 3: Cross multiply
    192,633.80x = 288,950.70 × 133,536.20
  4. Step 4: Simplify right side
    192,633.80x = 38,585,378,465.34
  5. Step 5: Solve for x
    x = 38,585,378,465.34/192,633.80
  6. Step 6: Final answer
    x = 200,304.30

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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.