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Finding the Fourth Proportional to 100,494.16, 150,600.46 and 75,518.26

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Solution

The fourth proportional to 100,494.16, 150,600.46 and 75,518.26 is: 113,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,494.16 : 150,600.46 = 75,518.26 : x
  2. Step 2: Convert to fraction form
    100,494.16/150,600.46 = 75,518.26/x
  3. Step 3: Cross multiply
    100,494.16x = 150,600.46 × 75,518.26
  4. Step 4: Simplify right side
    100,494.16x = 11,373,084,694.40
  5. Step 5: Solve for x
    x = 11,373,084,694.40/100,494.16
  6. Step 6: Final answer
    x = 113,171.60

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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.