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Finding the Fourth Proportional to 143,111.10, 214,773.30 and 54,537.60

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Solution

The fourth proportional to 143,111.10, 214,773.30 and 54,537.60 is: 81,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,111.10 : 214,773.30 = 54,537.60 : x
  2. Step 2: Convert to fraction form
    143,111.10/214,773.30 = 54,537.60/x
  3. Step 3: Cross multiply
    143,111.10x = 214,773.30 × 54,537.60
  4. Step 4: Simplify right side
    143,111.10x = 11,713,220,326.08
  5. Step 5: Solve for x
    x = 11,713,220,326.08/143,111.10
  6. Step 6: Final answer
    x = 81,847.04

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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.