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Finding the Fourth Proportional to 169,160.54, 253,710.15 and 67,954.51

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Solution

The fourth proportional to 169,160.54, 253,710.15 and 67,954.51 is: 101,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,160.54 : 253,710.15 = 67,954.51 : x
  2. Step 2: Convert to fraction form
    169,160.54/253,710.15 = 67,954.51/x
  3. Step 3: Cross multiply
    169,160.54x = 253,710.15 × 67,954.51
  4. Step 4: Simplify right side
    169,160.54x = 17,240,747,656.73
  5. Step 5: Solve for x
    x = 17,240,747,656.73/169,160.54
  6. Step 6: Final answer
    x = 101,919.44

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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.