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Finding the Fourth Proportional to 69,918.85, 104,808.05 and 22,499.09

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Solution

The fourth proportional to 69,918.85, 104,808.05 and 22,499.09 is: 33,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.85 : 104,808.05 = 22,499.09 : x
  2. Step 2: Convert to fraction form
    69,918.85/104,808.05 = 22,499.09/x
  3. Step 3: Cross multiply
    69,918.85x = 104,808.05 × 22,499.09
  4. Step 4: Simplify right side
    69,918.85x = 2,358,085,534.29
  5. Step 5: Solve for x
    x = 2,358,085,534.29/69,918.85
  6. Step 6: Final answer
    x = 33,726.03

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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.