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Finding the Fourth Proportional to 169,566.82, 254,469.30 and 69,817.75

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Solution

The fourth proportional to 169,566.82, 254,469.30 and 69,817.75 is: 104,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,566.82 : 254,469.30 = 69,817.75 : x
  2. Step 2: Convert to fraction form
    169,566.82/254,469.30 = 69,817.75/x
  3. Step 3: Cross multiply
    169,566.82x = 254,469.30 × 69,817.75
  4. Step 4: Simplify right side
    169,566.82x = 17,766,473,970.08
  5. Step 5: Solve for x
    x = 17,766,473,970.08/169,566.82
  6. Step 6: Final answer
    x = 104,775.65

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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.