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Finding the Fourth Proportional to 301,133, 451,725.66 and 79,517

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Solution

The fourth proportional to 301,133, 451,725.66 and 79,517 is: 119,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,133 : 451,725.66 = 79,517 : x
  2. Step 2: Convert to fraction form
    301,133/451,725.66 = 79,517/x
  3. Step 3: Cross multiply
    301,133x = 451,725.66 × 79,517
  4. Step 4: Simplify right side
    301,133x = 35,919,869,306.22
  5. Step 5: Solve for x
    x = 35,919,869,306.22/301,133
  6. Step 6: Final answer
    x = 119,282.41

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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.