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Finding the Fourth Proportional to 101,115.10, 151,469.64 and 50,361.16

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Solution

The fourth proportional to 101,115.10, 151,469.64 and 50,361.16 is: 75,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,115.10 : 151,469.64 = 50,361.16 : x
  2. Step 2: Convert to fraction form
    101,115.10/151,469.64 = 50,361.16/x
  3. Step 3: Cross multiply
    101,115.10x = 151,469.64 × 50,361.16
  4. Step 4: Simplify right side
    101,115.10x = 7,628,186,775.18
  5. Step 5: Solve for x
    x = 7,628,186,775.18/101,115.10
  6. Step 6: Final answer
    x = 75,440.63

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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.