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Finding the Fourth Proportional to 69,799.65, 104,700.57 and 17,209.14

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Solution

The fourth proportional to 69,799.65, 104,700.57 and 17,209.14 is: 25,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,799.65 : 104,700.57 = 17,209.14 : x
  2. Step 2: Convert to fraction form
    69,799.65/104,700.57 = 17,209.14/x
  3. Step 3: Cross multiply
    69,799.65x = 104,700.57 × 17,209.14
  4. Step 4: Simplify right side
    69,799.65x = 1,801,806,767.21
  5. Step 5: Solve for x
    x = 1,801,806,767.21/69,799.65
  6. Step 6: Final answer
    x = 25,813.98

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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.