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Finding the Fourth Proportional to 90,452.10, 124,824.60 and 50,163.60

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Solution

The fourth proportional to 90,452.10, 124,824.60 and 50,163.60 is: 69,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.10 : 124,824.60 = 50,163.60 : x
  2. Step 2: Convert to fraction form
    90,452.10/124,824.60 = 50,163.60/x
  3. Step 3: Cross multiply
    90,452.10x = 124,824.60 × 50,163.60
  4. Step 4: Simplify right side
    90,452.10x = 6,261,651,304.56
  5. Step 5: Solve for x
    x = 6,261,651,304.56/90,452.10
  6. Step 6: Final answer
    x = 69,226.16

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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.