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Finding the Fourth Proportional to 69,458.38, 104,187.60 and 16,867.51

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Solution

The fourth proportional to 69,458.38, 104,187.60 and 16,867.51 is: 25,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,458.38 : 104,187.60 = 16,867.51 : x
  2. Step 2: Convert to fraction form
    69,458.38/104,187.60 = 16,867.51/x
  3. Step 3: Cross multiply
    69,458.38x = 104,187.60 × 16,867.51
  4. Step 4: Simplify right side
    69,458.38x = 1,757,385,124.41
  5. Step 5: Solve for x
    x = 1,757,385,124.41/69,458.38
  6. Step 6: Final answer
    x = 25,301.27

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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.