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Finding the Fourth Proportional to 108,083.70, 162,224.42 and 54,812.44

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Solution

The fourth proportional to 108,083.70, 162,224.42 and 54,812.44 is: 82,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,083.70 : 162,224.42 = 54,812.44 : x
  2. Step 2: Convert to fraction form
    108,083.70/162,224.42 = 54,812.44/x
  3. Step 3: Cross multiply
    108,083.70x = 162,224.42 × 54,812.44
  4. Step 4: Simplify right side
    108,083.70x = 8,891,916,287.78
  5. Step 5: Solve for x
    x = 8,891,916,287.78/108,083.70
  6. Step 6: Final answer
    x = 82,268.80

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1.5x scale

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.