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Finding the Fourth Proportional to 204,563.68, 306,891.96 and 62,421.64

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Solution

The fourth proportional to 204,563.68, 306,891.96 and 62,421.64 is: 93,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,563.68 : 306,891.96 = 62,421.64 : x
  2. Step 2: Convert to fraction form
    204,563.68/306,891.96 = 62,421.64/x
  3. Step 3: Cross multiply
    204,563.68x = 306,891.96 × 62,421.64
  4. Step 4: Simplify right side
    204,563.68x = 19,156,698,444.70
  5. Step 5: Solve for x
    x = 19,156,698,444.70/204,563.68
  6. Step 6: Final answer
    x = 93,646.63

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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.