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Finding the Fourth Proportional to 220,382.82, 330,634.35 and 62,612.64

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Solution

The fourth proportional to 220,382.82, 330,634.35 and 62,612.64 is: 93,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,382.82 : 330,634.35 = 62,612.64 : x
  2. Step 2: Convert to fraction form
    220,382.82/330,634.35 = 62,612.64/x
  3. Step 3: Cross multiply
    220,382.82x = 330,634.35 × 62,612.64
  4. Step 4: Simplify right side
    220,382.82x = 20,701,889,528.18
  5. Step 5: Solve for x
    x = 20,701,889,528.18/220,382.82
  6. Step 6: Final answer
    x = 93,936.04

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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.