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Finding the Fourth Proportional to 79,824.88, 110,174.31 and 45,856.67

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Solution

The fourth proportional to 79,824.88, 110,174.31 and 45,856.67 is: 63,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,824.88 : 110,174.31 = 45,856.67 : x
  2. Step 2: Convert to fraction form
    79,824.88/110,174.31 = 45,856.67/x
  3. Step 3: Cross multiply
    79,824.88x = 110,174.31 × 45,856.67
  4. Step 4: Simplify right side
    79,824.88x = 5,052,226,425.28
  5. Step 5: Solve for x
    x = 5,052,226,425.28/79,824.88
  6. Step 6: Final answer
    x = 63,291.37

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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.