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Finding the Fourth Proportional to 101,326.69, 151,993.12 and 34,765.88

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Solution

The fourth proportional to 101,326.69, 151,993.12 and 34,765.88 is: 52,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.69 : 151,993.12 = 34,765.88 : x
  2. Step 2: Convert to fraction form
    101,326.69/151,993.12 = 34,765.88/x
  3. Step 3: Cross multiply
    101,326.69x = 151,993.12 × 34,765.88
  4. Step 4: Simplify right side
    101,326.69x = 5,284,174,570.75
  5. Step 5: Solve for x
    x = 5,284,174,570.75/101,326.69
  6. Step 6: Final answer
    x = 52,149.88

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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.