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Finding the Fourth Proportional to 204,043.40, 306,065.10 and 63,816.20

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Solution

The fourth proportional to 204,043.40, 306,065.10 and 63,816.20 is: 95,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,043.40 : 306,065.10 = 63,816.20 : x
  2. Step 2: Convert to fraction form
    204,043.40/306,065.10 = 63,816.20/x
  3. Step 3: Cross multiply
    204,043.40x = 306,065.10 × 63,816.20
  4. Step 4: Simplify right side
    204,043.40x = 19,531,911,634.62
  5. Step 5: Solve for x
    x = 19,531,911,634.62/204,043.40
  6. Step 6: Final answer
    x = 95,724.30

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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.