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Finding the Fourth Proportional to 73,669.98, 110,615.70 and 44,219.58

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Solution

The fourth proportional to 73,669.98, 110,615.70 and 44,219.58 is: 66,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,669.98 : 110,615.70 = 44,219.58 : x
  2. Step 2: Convert to fraction form
    73,669.98/110,615.70 = 44,219.58/x
  3. Step 3: Cross multiply
    73,669.98x = 110,615.70 × 44,219.58
  4. Step 4: Simplify right side
    73,669.98x = 4,891,379,795.41
  5. Step 5: Solve for x
    x = 4,891,379,795.41/73,669.98
  6. Step 6: Final answer
    x = 66,395.83

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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.