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Finding the Fourth Proportional to 120,008.56, 179,815.60 and 41,079.73

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Solution

The fourth proportional to 120,008.56, 179,815.60 and 41,079.73 is: 61,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,008.56 : 179,815.60 = 41,079.73 : x
  2. Step 2: Convert to fraction form
    120,008.56/179,815.60 = 41,079.73/x
  3. Step 3: Cross multiply
    120,008.56x = 179,815.60 × 41,079.73
  4. Step 4: Simplify right side
    120,008.56x = 7,386,776,297.79
  5. Step 5: Solve for x
    x = 7,386,776,297.79/120,008.56
  6. Step 6: Final answer
    x = 61,552.08

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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.