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Finding the Fourth Proportional to 73,804.80, 110,760.40 and 29,405.84

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Solution

The fourth proportional to 73,804.80, 110,760.40 and 29,405.84 is: 44,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,804.80 : 110,760.40 = 29,405.84 : x
  2. Step 2: Convert to fraction form
    73,804.80/110,760.40 = 29,405.84/x
  3. Step 3: Cross multiply
    73,804.80x = 110,760.40 × 29,405.84
  4. Step 4: Simplify right side
    73,804.80x = 3,257,002,600.74
  5. Step 5: Solve for x
    x = 3,257,002,600.74/73,804.80
  6. Step 6: Final answer
    x = 44,129.96

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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.