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Finding the Fourth Proportional to 133,359.40, 200,039.10 and 132,581.80

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Solution

The fourth proportional to 133,359.40, 200,039.10 and 132,581.80 is: 198,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,359.40 : 200,039.10 = 132,581.80 : x
  2. Step 2: Convert to fraction form
    133,359.40/200,039.10 = 132,581.80/x
  3. Step 3: Cross multiply
    133,359.40x = 200,039.10 × 132,581.80
  4. Step 4: Simplify right side
    133,359.40x = 26,521,543,948.38
  5. Step 5: Solve for x
    x = 26,521,543,948.38/133,359.40
  6. Step 6: Final answer
    x = 198,872.70

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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.