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Finding the Fourth Proportional to 169,170.84, 253,756.62 and 68,015.52

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Solution

The fourth proportional to 169,170.84, 253,756.62 and 68,015.52 is: 102,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,170.84 : 253,756.62 = 68,015.52 : x
  2. Step 2: Convert to fraction form
    169,170.84/253,756.62 = 68,015.52/x
  3. Step 3: Cross multiply
    169,170.84x = 253,756.62 × 68,015.52
  4. Step 4: Simplify right side
    169,170.84x = 17,259,388,462.74
  5. Step 5: Solve for x
    x = 17,259,388,462.74/169,170.84
  6. Step 6: Final answer
    x = 102,023.42

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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.