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Finding the Fourth Proportional to 73,304.45, 109,815.19 and 43,745.93

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Solution

The fourth proportional to 73,304.45, 109,815.19 and 43,745.93 is: 65,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,304.45 : 109,815.19 = 43,745.93 : x
  2. Step 2: Convert to fraction form
    73,304.45/109,815.19 = 43,745.93/x
  3. Step 3: Cross multiply
    73,304.45x = 109,815.19 × 43,745.93
  4. Step 4: Simplify right side
    73,304.45x = 4,803,967,614.68
  5. Step 5: Solve for x
    x = 4,803,967,614.68/73,304.45
  6. Step 6: Final answer
    x = 65,534.46

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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.