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Finding the Fourth Proportional to 135,163.16, 202,612.32 and 75,220.22

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Solution

The fourth proportional to 135,163.16, 202,612.32 and 75,220.22 is: 112,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,163.16 : 202,612.32 = 75,220.22 : x
  2. Step 2: Convert to fraction form
    135,163.16/202,612.32 = 75,220.22/x
  3. Step 3: Cross multiply
    135,163.16x = 202,612.32 × 75,220.22
  4. Step 4: Simplify right side
    135,163.16x = 15,240,543,791.64
  5. Step 5: Solve for x
    x = 15,240,543,791.64/135,163.16
  6. Step 6: Final answer
    x = 112,756.64

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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.