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Finding the Fourth Proportional to 73,660.75, 101,649.15 and 45,028.37

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Solution

The fourth proportional to 73,660.75, 101,649.15 and 45,028.37 is: 62,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,660.75 : 101,649.15 = 45,028.37 : x
  2. Step 2: Convert to fraction form
    73,660.75/101,649.15 = 45,028.37/x
  3. Step 3: Cross multiply
    73,660.75x = 101,649.15 × 45,028.37
  4. Step 4: Simplify right side
    73,660.75x = 4,577,095,536.39
  5. Step 5: Solve for x
    x = 4,577,095,536.39/73,660.75
  6. Step 6: Final answer
    x = 62,137.51

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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.