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Finding the Fourth Proportional to 73,521.66, 110,318.94 and 29,147.43

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Solution

The fourth proportional to 73,521.66, 110,318.94 and 29,147.43 is: 43,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,521.66 : 110,318.94 = 29,147.43 : x
  2. Step 2: Convert to fraction form
    73,521.66/110,318.94 = 29,147.43/x
  3. Step 3: Cross multiply
    73,521.66x = 110,318.94 × 29,147.43
  4. Step 4: Simplify right side
    73,521.66x = 3,215,513,581.32
  5. Step 5: Solve for x
    x = 3,215,513,581.32/73,521.66
  6. Step 6: Final answer
    x = 43,735.60

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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.