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Finding the Fourth Proportional to 169,326.20, 253,971.48 and 69,496.96

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Solution

The fourth proportional to 169,326.20, 253,971.48 and 69,496.96 is: 104,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,326.20 : 253,971.48 = 69,496.96 : x
  2. Step 2: Convert to fraction form
    169,326.20/253,971.48 = 69,496.96/x
  3. Step 3: Cross multiply
    169,326.20x = 253,971.48 × 69,496.96
  4. Step 4: Simplify right side
    169,326.20x = 17,650,245,786.70
  5. Step 5: Solve for x
    x = 17,650,245,786.70/169,326.20
  6. Step 6: Final answer
    x = 104,238.13

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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.