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Finding the Fourth Proportional to 79,849.44, 110,211.48 and 48,012.18

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Solution

The fourth proportional to 79,849.44, 110,211.48 and 48,012.18 is: 66,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,849.44 : 110,211.48 = 48,012.18 : x
  2. Step 2: Convert to fraction form
    79,849.44/110,211.48 = 48,012.18/x
  3. Step 3: Cross multiply
    79,849.44x = 110,211.48 × 48,012.18
  4. Step 4: Simplify right side
    79,849.44x = 5,291,493,415.83
  5. Step 5: Solve for x
    x = 5,291,493,415.83/79,849.44
  6. Step 6: Final answer
    x = 66,268.38

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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.