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Finding the Fourth Proportional to 73,605.39, 110,409.90 and 26,858.25

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Solution

The fourth proportional to 73,605.39, 110,409.90 and 26,858.25 is: 40,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,605.39 : 110,409.90 = 26,858.25 : x
  2. Step 2: Convert to fraction form
    73,605.39/110,409.90 = 26,858.25/x
  3. Step 3: Cross multiply
    73,605.39x = 110,409.90 × 26,858.25
  4. Step 4: Simplify right side
    73,605.39x = 2,965,416,696.68
  5. Step 5: Solve for x
    x = 2,965,416,696.68/73,605.39
  6. Step 6: Final answer
    x = 40,288.04

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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.