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Finding the Fourth Proportional to 82,080.18, 123,111.05 and 22,113.09

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Solution

The fourth proportional to 82,080.18, 123,111.05 and 22,113.09 is: 33,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,080.18 : 123,111.05 = 22,113.09 : x
  2. Step 2: Convert to fraction form
    82,080.18/123,111.05 = 22,113.09/x
  3. Step 3: Cross multiply
    82,080.18x = 123,111.05 × 22,113.09
  4. Step 4: Simplify right side
    82,080.18x = 2,722,365,733.50
  5. Step 5: Solve for x
    x = 2,722,365,733.50/82,080.18
  6. Step 6: Final answer
    x = 33,167.15

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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.