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Finding the Fourth Proportional to 192,855.40, 289,326.72 and 104,107

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Solution

The fourth proportional to 192,855.40, 289,326.72 and 104,107 is: 156,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,855.40 : 289,326.72 = 104,107 : x
  2. Step 2: Convert to fraction form
    192,855.40/289,326.72 = 104,107/x
  3. Step 3: Cross multiply
    192,855.40x = 289,326.72 × 104,107
  4. Step 4: Simplify right side
    192,855.40x = 30,120,936,839.04
  5. Step 5: Solve for x
    x = 30,120,936,839.04/192,855.40
  6. Step 6: Final answer
    x = 156,184.05

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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.