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Finding the Fourth Proportional to 73,251.66, 101,053.14 and 47,418.56

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Solution

The fourth proportional to 73,251.66, 101,053.14 and 47,418.56 is: 65,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.66 : 101,053.14 = 47,418.56 : x
  2. Step 2: Convert to fraction form
    73,251.66/101,053.14 = 47,418.56/x
  3. Step 3: Cross multiply
    73,251.66x = 101,053.14 × 47,418.56
  4. Step 4: Simplify right side
    73,251.66x = 4,791,794,646.57
  5. Step 5: Solve for x
    x = 4,791,794,646.57/73,251.66
  6. Step 6: Final answer
    x = 65,415.51

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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.