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Finding the Fourth Proportional to 69,193.10, 103,410.54 and 50,512.48

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Solution

The fourth proportional to 69,193.10, 103,410.54 and 50,512.48 is: 75,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,193.10 : 103,410.54 = 50,512.48 : x
  2. Step 2: Convert to fraction form
    69,193.10/103,410.54 = 50,512.48/x
  3. Step 3: Cross multiply
    69,193.10x = 103,410.54 × 50,512.48
  4. Step 4: Simplify right side
    69,193.10x = 5,223,522,575.01
  5. Step 5: Solve for x
    x = 5,223,522,575.01/69,193.10
  6. Step 6: Final answer
    x = 75,491.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.