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Finding the Fourth Proportional to 73,099, 100,873.76 and 45,889.71

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Solution

The fourth proportional to 73,099, 100,873.76 and 45,889.71 is: 63,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,099 : 100,873.76 = 45,889.71 : x
  2. Step 2: Convert to fraction form
    73,099/100,873.76 = 45,889.71/x
  3. Step 3: Cross multiply
    73,099x = 100,873.76 × 45,889.71
  4. Step 4: Simplify right side
    73,099x = 4,629,067,593.01
  5. Step 5: Solve for x
    x = 4,629,067,593.01/73,099
  6. Step 6: Final answer
    x = 63,326.00

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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.