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Finding the Fourth Proportional to 73,474.56, 101,357.28 and 43,240.32

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Solution

The fourth proportional to 73,474.56, 101,357.28 and 43,240.32 is: 59,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,474.56 : 101,357.28 = 43,240.32 : x
  2. Step 2: Convert to fraction form
    73,474.56/101,357.28 = 43,240.32/x
  3. Step 3: Cross multiply
    73,474.56x = 101,357.28 × 43,240.32
  4. Step 4: Simplify right side
    73,474.56x = 4,382,721,221.53
  5. Step 5: Solve for x
    x = 4,382,721,221.53/73,474.56
  6. Step 6: Final answer
    x = 59,649.51

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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.