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Finding the Fourth Proportional to 73,379.74, 110,007.44 and 29,037.78

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Solution

The fourth proportional to 73,379.74, 110,007.44 and 29,037.78 is: 43,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,379.74 : 110,007.44 = 29,037.78 : x
  2. Step 2: Convert to fraction form
    73,379.74/110,007.44 = 29,037.78/x
  3. Step 3: Cross multiply
    73,379.74x = 110,007.44 × 29,037.78
  4. Step 4: Simplify right side
    73,379.74x = 3,194,371,841.08
  5. Step 5: Solve for x
    x = 3,194,371,841.08/73,379.74
  6. Step 6: Final answer
    x = 43,532.07

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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.