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Finding the Fourth Proportional to 80,400.63, 110,916.49 and 50,193.41

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Solution

The fourth proportional to 80,400.63, 110,916.49 and 50,193.41 is: 69,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,400.63 : 110,916.49 = 50,193.41 : x
  2. Step 2: Convert to fraction form
    80,400.63/110,916.49 = 50,193.41/x
  3. Step 3: Cross multiply
    80,400.63x = 110,916.49 × 50,193.41
  4. Step 4: Simplify right side
    80,400.63x = 5,567,276,272.38
  5. Step 5: Solve for x
    x = 5,567,276,272.38/80,400.63
  6. Step 6: Final answer
    x = 69,244.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.