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Finding the Fourth Proportional to 204,068.87, 306,024.53 and 67,259.12

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Solution

The fourth proportional to 204,068.87, 306,024.53 and 67,259.12 is: 100,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,068.87 : 306,024.53 = 67,259.12 : x
  2. Step 2: Convert to fraction form
    204,068.87/306,024.53 = 67,259.12/x
  3. Step 3: Cross multiply
    204,068.87x = 306,024.53 × 67,259.12
  4. Step 4: Simplify right side
    204,068.87x = 20,582,941,249.86
  5. Step 5: Solve for x
    x = 20,582,941,249.86/204,068.87
  6. Step 6: Final answer
    x = 100,862.72

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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.