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Finding the Fourth Proportional to 204,539.04, 306,704.64 and 93,636

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Solution

The fourth proportional to 204,539.04, 306,704.64 and 93,636 is: 140,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,539.04 : 306,704.64 = 93,636 : x
  2. Step 2: Convert to fraction form
    204,539.04/306,704.64 = 93,636/x
  3. Step 3: Cross multiply
    204,539.04x = 306,704.64 × 93,636
  4. Step 4: Simplify right side
    204,539.04x = 28,718,595,671.04
  5. Step 5: Solve for x
    x = 28,718,595,671.04/204,539.04
  6. Step 6: Final answer
    x = 140,406.43

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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.