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Finding the Fourth Proportional to 169,496.88, 254,327.94 and 69,687.06

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Solution

The fourth proportional to 169,496.88, 254,327.94 and 69,687.06 is: 104,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,496.88 : 254,327.94 = 69,687.06 : x
  2. Step 2: Convert to fraction form
    169,496.88/254,327.94 = 69,687.06/x
  3. Step 3: Cross multiply
    169,496.88x = 254,327.94 × 69,687.06
  4. Step 4: Simplify right side
    169,496.88x = 17,723,366,414.46
  5. Step 5: Solve for x
    x = 17,723,366,414.46/169,496.88
  6. Step 6: Final answer
    x = 104,564.56

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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.