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Finding the Fourth Proportional to 73,231.94, 100,984.64 and 62,656.58

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Solution

The fourth proportional to 73,231.94, 100,984.64 and 62,656.58 is: 86,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,231.94 : 100,984.64 = 62,656.58 : x
  2. Step 2: Convert to fraction form
    73,231.94/100,984.64 = 62,656.58/x
  3. Step 3: Cross multiply
    73,231.94x = 100,984.64 × 62,656.58
  4. Step 4: Simplify right side
    73,231.94x = 6,327,352,174.93
  5. Step 5: Solve for x
    x = 6,327,352,174.93/73,231.94
  6. Step 6: Final answer
    x = 86,401.54

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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.