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Finding the Fourth Proportional to 100,693.44, 150,990.72 and 41,558.40

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Solution

The fourth proportional to 100,693.44, 150,990.72 and 41,558.40 is: 62,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,693.44 : 150,990.72 = 41,558.40 : x
  2. Step 2: Convert to fraction form
    100,693.44/150,990.72 = 41,558.40/x
  3. Step 3: Cross multiply
    100,693.44x = 150,990.72 × 41,558.40
  4. Step 4: Simplify right side
    100,693.44x = 6,274,932,738.05
  5. Step 5: Solve for x
    x = 6,274,932,738.05/100,693.44
  6. Step 6: Final answer
    x = 62,317.20

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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.