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Finding the Fourth Proportional to 68,704.86, 103,068.81 and 24,329.82

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Solution

The fourth proportional to 68,704.86, 103,068.81 and 24,329.82 is: 36,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,704.86 : 103,068.81 = 24,329.82 : x
  2. Step 2: Convert to fraction form
    68,704.86/103,068.81 = 24,329.82/x
  3. Step 3: Cross multiply
    68,704.86x = 103,068.81 × 24,329.82
  4. Step 4: Simplify right side
    68,704.86x = 2,507,645,594.91
  5. Step 5: Solve for x
    x = 2,507,645,594.91/68,704.86
  6. Step 6: Final answer
    x = 36,498.81

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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.