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Finding the Fourth Proportional to 73,908.40, 110,735.03 and 34,384.45

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Solution

The fourth proportional to 73,908.40, 110,735.03 and 34,384.45 is: 51,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,908.40 : 110,735.03 = 34,384.45 : x
  2. Step 2: Convert to fraction form
    73,908.40/110,735.03 = 34,384.45/x
  3. Step 3: Cross multiply
    73,908.40x = 110,735.03 × 34,384.45
  4. Step 4: Simplify right side
    73,908.40x = 3,807,562,930.36
  5. Step 5: Solve for x
    x = 3,807,562,930.36/73,908.40
  6. Step 6: Final answer
    x = 51,517.32

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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.