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Finding the Fourth Proportional to 73,453.80, 101,364.44 and 42,832.47

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Solution

The fourth proportional to 73,453.80, 101,364.44 and 42,832.47 is: 59,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,453.80 : 101,364.44 = 42,832.47 : x
  2. Step 2: Convert to fraction form
    73,453.80/101,364.44 = 42,832.47/x
  3. Step 3: Cross multiply
    73,453.80x = 101,364.44 × 42,832.47
  4. Step 4: Simplify right side
    73,453.80x = 4,341,689,121.20
  5. Step 5: Solve for x
    x = 4,341,689,121.20/73,453.80
  6. Step 6: Final answer
    x = 59,107.75

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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.