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Finding the Fourth Proportional to 73,873, 101,909.22 and 43,650.28

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Solution

The fourth proportional to 73,873, 101,909.22 and 43,650.28 is: 60,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,873 : 101,909.22 = 43,650.28 : x
  2. Step 2: Convert to fraction form
    73,873/101,909.22 = 43,650.28/x
  3. Step 3: Cross multiply
    73,873x = 101,909.22 × 43,650.28
  4. Step 4: Simplify right side
    73,873x = 4,448,365,987.58
  5. Step 5: Solve for x
    x = 4,448,365,987.58/73,873
  6. Step 6: Final answer
    x = 60,216.40

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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.