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Finding the Fourth Proportional to 104,695.82, 155,859.66 and 104,073.03

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Solution

The fourth proportional to 104,695.82, 155,859.66 and 104,073.03 is: 154,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,695.82 : 155,859.66 = 104,073.03 : x
  2. Step 2: Convert to fraction form
    104,695.82/155,859.66 = 104,073.03/x
  3. Step 3: Cross multiply
    104,695.82x = 155,859.66 × 104,073.03
  4. Step 4: Simplify right side
    104,695.82x = 16,220,787,200.44
  5. Step 5: Solve for x
    x = 16,220,787,200.44/104,695.82
  6. Step 6: Final answer
    x = 154,932.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.