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Finding the Fourth Proportional to 115,658.56, 173,463.79 and 44,556.76

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Solution

The fourth proportional to 115,658.56, 173,463.79 and 44,556.76 is: 66,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,658.56 : 173,463.79 = 44,556.76 : x
  2. Step 2: Convert to fraction form
    115,658.56/173,463.79 = 44,556.76/x
  3. Step 3: Cross multiply
    115,658.56x = 173,463.79 × 44,556.76
  4. Step 4: Simplify right side
    115,658.56x = 7,728,984,459.72
  5. Step 5: Solve for x
    x = 7,728,984,459.72/115,658.56
  6. Step 6: Final answer
    x = 66,825.87

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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.