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Finding the Fourth Proportional to 73,289.69, 101,142.26 and 43,074.58

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Solution

The fourth proportional to 73,289.69, 101,142.26 and 43,074.58 is: 59,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,289.69 : 101,142.26 = 43,074.58 : x
  2. Step 2: Convert to fraction form
    73,289.69/101,142.26 = 43,074.58/x
  3. Step 3: Cross multiply
    73,289.69x = 101,142.26 × 43,074.58
  4. Step 4: Simplify right side
    73,289.69x = 4,356,659,648.67
  5. Step 5: Solve for x
    x = 4,356,659,648.67/73,289.69
  6. Step 6: Final answer
    x = 59,444.37

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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.