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Finding the Fourth Proportional to 120,879.56, 181,276.44 and 35,466.58

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Solution

The fourth proportional to 120,879.56, 181,276.44 and 35,466.58 is: 53,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,879.56 : 181,276.44 = 35,466.58 : x
  2. Step 2: Convert to fraction form
    120,879.56/181,276.44 = 35,466.58/x
  3. Step 3: Cross multiply
    120,879.56x = 181,276.44 × 35,466.58
  4. Step 4: Simplify right side
    120,879.56x = 6,429,255,361.38
  5. Step 5: Solve for x
    x = 6,429,255,361.38/120,879.56
  6. Step 6: Final answer
    x = 53,187.28

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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.