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Finding the Fourth Proportional to 120,872.64, 181,303.50 and 41,993.04

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Solution

The fourth proportional to 120,872.64, 181,303.50 and 41,993.04 is: 62,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,872.64 : 181,303.50 = 41,993.04 : x
  2. Step 2: Convert to fraction form
    120,872.64/181,303.50 = 41,993.04/x
  3. Step 3: Cross multiply
    120,872.64x = 181,303.50 × 41,993.04
  4. Step 4: Simplify right side
    120,872.64x = 7,613,485,127.64
  5. Step 5: Solve for x
    x = 7,613,485,127.64/120,872.64
  6. Step 6: Final answer
    x = 62,987.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.