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Finding the Fourth Proportional to 73,309.76, 109,957.32 and 33,866.30

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Solution

The fourth proportional to 73,309.76, 109,957.32 and 33,866.30 is: 50,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,309.76 : 109,957.32 = 33,866.30 : x
  2. Step 2: Convert to fraction form
    73,309.76/109,957.32 = 33,866.30/x
  3. Step 3: Cross multiply
    73,309.76x = 109,957.32 × 33,866.30
  4. Step 4: Simplify right side
    73,309.76x = 3,723,847,036.53
  5. Step 5: Solve for x
    x = 3,723,847,036.53/73,309.76
  6. Step 6: Final answer
    x = 50,796.06

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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.