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Finding the Fourth Proportional to 68,950.86, 103,467.60 and 29,508.01

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Solution

The fourth proportional to 68,950.86, 103,467.60 and 29,508.01 is: 44,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,950.86 : 103,467.60 = 29,508.01 : x
  2. Step 2: Convert to fraction form
    68,950.86/103,467.60 = 29,508.01/x
  3. Step 3: Cross multiply
    68,950.86x = 103,467.60 × 29,508.01
  4. Step 4: Simplify right side
    68,950.86x = 3,053,122,975.48
  5. Step 5: Solve for x
    x = 3,053,122,975.48/68,950.86
  6. Step 6: Final answer
    x = 44,279.69

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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.