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Finding the Fourth Proportional to 73,974.51, 110,989.70 and 44,412.95

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Solution

The fourth proportional to 73,974.51, 110,989.70 and 44,412.95 is: 66,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,974.51 : 110,989.70 = 44,412.95 : x
  2. Step 2: Convert to fraction form
    73,974.51/110,989.70 = 44,412.95/x
  3. Step 3: Cross multiply
    73,974.51x = 110,989.70 × 44,412.95
  4. Step 4: Simplify right side
    73,974.51x = 4,929,379,996.62
  5. Step 5: Solve for x
    x = 4,929,379,996.62/73,974.51
  6. Step 6: Final answer
    x = 66,636.20

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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.