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Finding the Fourth Proportional to 73,649.05, 101,611.44 and 43,015.10

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Solution

The fourth proportional to 73,649.05, 101,611.44 and 43,015.10 is: 59,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,649.05 : 101,611.44 = 43,015.10 : x
  2. Step 2: Convert to fraction form
    73,649.05/101,611.44 = 43,015.10/x
  3. Step 3: Cross multiply
    73,649.05x = 101,611.44 × 43,015.10
  4. Step 4: Simplify right side
    73,649.05x = 4,370,826,195.27
  5. Step 5: Solve for x
    x = 4,370,826,195.27/73,649.05
  6. Step 6: Final answer
    x = 59,346.68

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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.