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Finding the Fourth Proportional to 187,744.71, 281,802.09 and 133,769.34

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Solution

The fourth proportional to 187,744.71, 281,802.09 and 133,769.34 is: 200,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,744.71 : 281,802.09 = 133,769.34 : x
  2. Step 2: Convert to fraction form
    187,744.71/281,802.09 = 133,769.34/x
  3. Step 3: Cross multiply
    187,744.71x = 281,802.09 × 133,769.34
  4. Step 4: Simplify right side
    187,744.71x = 37,696,479,589.92
  5. Step 5: Solve for x
    x = 37,696,479,589.92/187,744.71
  6. Step 6: Final answer
    x = 200,785.84

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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.