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Finding the Fourth Proportional to 73,942.64, 102,044.54 and 43,745.64

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Solution

The fourth proportional to 73,942.64, 102,044.54 and 43,745.64 is: 60,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.64 : 102,044.54 = 43,745.64 : x
  2. Step 2: Convert to fraction form
    73,942.64/102,044.54 = 43,745.64/x
  3. Step 3: Cross multiply
    73,942.64x = 102,044.54 × 43,745.64
  4. Step 4: Simplify right side
    73,942.64x = 4,464,003,710.81
  5. Step 5: Solve for x
    x = 4,464,003,710.81/73,942.64
  6. Step 6: Final answer
    x = 60,371.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.