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Finding the Fourth Proportional to 301,085.97, 451,645.95 and 132,685.35

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Solution

The fourth proportional to 301,085.97, 451,645.95 and 132,685.35 is: 199,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,085.97 : 451,645.95 = 132,685.35 : x
  2. Step 2: Convert to fraction form
    301,085.97/451,645.95 = 132,685.35/x
  3. Step 3: Cross multiply
    301,085.97x = 451,645.95 × 132,685.35
  4. Step 4: Simplify right side
    301,085.97x = 59,926,800,951.83
  5. Step 5: Solve for x
    x = 59,926,800,951.83/301,085.97
  6. Step 6: Final answer
    x = 199,035.51

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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.