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Finding the Fourth Proportional to 101,286.97, 151,544.97 and 61,158.25

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Solution

The fourth proportional to 101,286.97, 151,544.97 and 61,158.25 is: 91,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,286.97 : 151,544.97 = 61,158.25 : x
  2. Step 2: Convert to fraction form
    101,286.97/151,544.97 = 61,158.25/x
  3. Step 3: Cross multiply
    101,286.97x = 151,544.97 × 61,158.25
  4. Step 4: Simplify right side
    101,286.97x = 9,268,225,161.50
  5. Step 5: Solve for x
    x = 9,268,225,161.50/101,286.97
  6. Step 6: Final answer
    x = 91,504.61

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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.