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Finding the Fourth Proportional to 301,963.78, 453,015.57 and 88,734.94

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Solution

The fourth proportional to 301,963.78, 453,015.57 and 88,734.94 is: 133,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,963.78 : 453,015.57 = 88,734.94 : x
  2. Step 2: Convert to fraction form
    301,963.78/453,015.57 = 88,734.94/x
  3. Step 3: Cross multiply
    301,963.78x = 453,015.57 × 88,734.94
  4. Step 4: Simplify right side
    301,963.78x = 40,198,309,423.02
  5. Step 5: Solve for x
    x = 40,198,309,423.02/301,963.78
  6. Step 6: Final answer
    x = 133,122.95

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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.