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Finding the Fourth Proportional to 57,266.48, 85,434.74 and 54,166.41

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Solution

The fourth proportional to 57,266.48, 85,434.74 and 54,166.41 is: 80,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.48 : 85,434.74 = 54,166.41 : x
  2. Step 2: Convert to fraction form
    57,266.48/85,434.74 = 54,166.41/x
  3. Step 3: Cross multiply
    57,266.48x = 85,434.74 × 54,166.41
  4. Step 4: Simplify right side
    57,266.48x = 4,627,693,087.38
  5. Step 5: Solve for x
    x = 4,627,693,087.38/57,266.48
  6. Step 6: Final answer
    x = 80,809.80

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.