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Finding the Fourth Proportional to 100,446.49, 150,664.85 and 37,278.92

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Solution

The fourth proportional to 100,446.49, 150,664.85 and 37,278.92 is: 55,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,446.49 : 150,664.85 = 37,278.92 : x
  2. Step 2: Convert to fraction form
    100,446.49/150,664.85 = 37,278.92/x
  3. Step 3: Cross multiply
    100,446.49x = 150,664.85 × 37,278.92
  4. Step 4: Simplify right side
    100,446.49x = 5,616,622,136.64
  5. Step 5: Solve for x
    x = 5,616,622,136.64/100,446.49
  6. Step 6: Final answer
    x = 55,916.56

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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.