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Finding the Fourth Proportional to 169,398.74, 253,759.28 and 101,893.49

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Solution

The fourth proportional to 169,398.74, 253,759.28 and 101,893.49 is: 152,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,398.74 : 253,759.28 = 101,893.49 : x
  2. Step 2: Convert to fraction form
    169,398.74/253,759.28 = 101,893.49/x
  3. Step 3: Cross multiply
    169,398.74x = 253,759.28 × 101,893.49
  4. Step 4: Simplify right side
    169,398.74x = 25,856,416,880.82
  5. Step 5: Solve for x
    x = 25,856,416,880.82/169,398.74
  6. Step 6: Final answer
    x = 152,636.42

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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.