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Finding the Fourth Proportional to 301,217.84, 451,899.68 and 90,843.04

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Solution

The fourth proportional to 301,217.84, 451,899.68 and 90,843.04 is: 136,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,217.84 : 451,899.68 = 90,843.04 : x
  2. Step 2: Convert to fraction form
    301,217.84/451,899.68 = 90,843.04/x
  3. Step 3: Cross multiply
    301,217.84x = 451,899.68 × 90,843.04
  4. Step 4: Simplify right side
    301,217.84x = 41,051,940,706.23
  5. Step 5: Solve for x
    x = 41,051,940,706.23/301,217.84
  6. Step 6: Final answer
    x = 136,286.55

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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.