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Finding the Fourth Proportional to 204,818.94, 307,228.41 and 64,591.74

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Solution

The fourth proportional to 204,818.94, 307,228.41 and 64,591.74 is: 96,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,818.94 : 307,228.41 = 64,591.74 : x
  2. Step 2: Convert to fraction form
    204,818.94/307,228.41 = 64,591.74/x
  3. Step 3: Cross multiply
    204,818.94x = 307,228.41 × 64,591.74
  4. Step 4: Simplify right side
    204,818.94x = 19,844,417,579.33
  5. Step 5: Solve for x
    x = 19,844,417,579.33/204,818.94
  6. Step 6: Final answer
    x = 96,887.61

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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.