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Finding the Fourth Proportional to 73,398.56, 110,015.82 and 48,455.82

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Solution

The fourth proportional to 73,398.56, 110,015.82 and 48,455.82 is: 72,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,398.56 : 110,015.82 = 48,455.82 : x
  2. Step 2: Convert to fraction form
    73,398.56/110,015.82 = 48,455.82/x
  3. Step 3: Cross multiply
    73,398.56x = 110,015.82 × 48,455.82
  4. Step 4: Simplify right side
    73,398.56x = 5,330,906,771.07
  5. Step 5: Solve for x
    x = 5,330,906,771.07/73,398.56
  6. Step 6: Final answer
    x = 72,629.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.