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Finding the Fourth Proportional to 79,745.96, 110,000.77 and 47,458.94

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Solution

The fourth proportional to 79,745.96, 110,000.77 and 47,458.94 is: 65,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,745.96 : 110,000.77 = 47,458.94 : x
  2. Step 2: Convert to fraction form
    79,745.96/110,000.77 = 47,458.94/x
  3. Step 3: Cross multiply
    79,745.96x = 110,000.77 × 47,458.94
  4. Step 4: Simplify right side
    79,745.96x = 5,220,519,274.73
  5. Step 5: Solve for x
    x = 5,220,519,274.73/79,745.96
  6. Step 6: Final answer
    x = 65,464.37

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1.5x scale

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.