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Finding the Fourth Proportional to 100,244.91, 150,381.18 and 33,690.20

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Solution

The fourth proportional to 100,244.91, 150,381.18 and 33,690.20 is: 50,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.91 : 150,381.18 = 33,690.20 : x
  2. Step 2: Convert to fraction form
    100,244.91/150,381.18 = 33,690.20/x
  3. Step 3: Cross multiply
    100,244.91x = 150,381.18 × 33,690.20
  4. Step 4: Simplify right side
    100,244.91x = 5,066,371,362.76
  5. Step 5: Solve for x
    x = 5,066,371,362.76/100,244.91
  6. Step 6: Final answer
    x = 50,539.94

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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.