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Finding the Fourth Proportional to 192,672.30, 289,008.45 and 133,574.70

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Solution

The fourth proportional to 192,672.30, 289,008.45 and 133,574.70 is: 200,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,672.30 : 289,008.45 = 133,574.70 : x
  2. Step 2: Convert to fraction form
    192,672.30/289,008.45 = 133,574.70/x
  3. Step 3: Cross multiply
    192,672.30x = 289,008.45 × 133,574.70
  4. Step 4: Simplify right side
    192,672.30x = 38,604,217,006.22
  5. Step 5: Solve for x
    x = 38,604,217,006.22/192,672.30
  6. Step 6: Final answer
    x = 200,362.05

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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.