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Finding the Fourth Proportional to 169,398.36, 253,758.72 and 101,893.11

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Solution

The fourth proportional to 169,398.36, 253,758.72 and 101,893.11 is: 152,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,398.36 : 253,758.72 = 101,893.11 : x
  2. Step 2: Convert to fraction form
    169,398.36/253,758.72 = 101,893.11/x
  3. Step 3: Cross multiply
    169,398.36x = 253,758.72 × 101,893.11
  4. Step 4: Simplify right side
    169,398.36x = 25,856,265,170.42
  5. Step 5: Solve for x
    x = 25,856,265,170.42/169,398.36
  6. Step 6: Final answer
    x = 152,635.86

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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.