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Finding the Fourth Proportional to 192,498.04, 288,770.82 and 66,163.96

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Solution

The fourth proportional to 192,498.04, 288,770.82 and 66,163.96 is: 99,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,498.04 : 288,770.82 = 66,163.96 : x
  2. Step 2: Convert to fraction form
    192,498.04/288,770.82 = 66,163.96/x
  3. Step 3: Cross multiply
    192,498.04x = 288,770.82 × 66,163.96
  4. Step 4: Simplify right side
    192,498.04x = 19,106,220,983.65
  5. Step 5: Solve for x
    x = 19,106,220,983.65/192,498.04
  6. Step 6: Final answer
    x = 99,254.11

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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.