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Finding the Fourth Proportional to 100,347.91, 150,502.68 and 50,414.17

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Solution

The fourth proportional to 100,347.91, 150,502.68 and 50,414.17 is: 75,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,347.91 : 150,502.68 = 50,414.17 : x
  2. Step 2: Convert to fraction form
    100,347.91/150,502.68 = 50,414.17/x
  3. Step 3: Cross multiply
    100,347.91x = 150,502.68 × 50,414.17
  4. Step 4: Simplify right side
    100,347.91x = 7,587,467,694.98
  5. Step 5: Solve for x
    x = 7,587,467,694.98/100,347.91
  6. Step 6: Final answer
    x = 75,611.62

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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.