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Finding the Fourth Proportional to 73,465.92, 110,090.88 and 43,449.21

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Solution

The fourth proportional to 73,465.92, 110,090.88 and 43,449.21 is: 65,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,465.92 : 110,090.88 = 43,449.21 : x
  2. Step 2: Convert to fraction form
    73,465.92/110,090.88 = 43,449.21/x
  3. Step 3: Cross multiply
    73,465.92x = 110,090.88 × 43,449.21
  4. Step 4: Simplify right side
    73,465.92x = 4,783,361,764.20
  5. Step 5: Solve for x
    x = 4,783,361,764.20/73,465.92
  6. Step 6: Final answer
    x = 65,109.94

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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.