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Finding the Fourth Proportional to 55,256.67, 82,885.01 and 20,196.33

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Solution

The fourth proportional to 55,256.67, 82,885.01 and 20,196.33 is: 30,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256.67 : 82,885.01 = 20,196.33 : x
  2. Step 2: Convert to fraction form
    55,256.67/82,885.01 = 20,196.33/x
  3. Step 3: Cross multiply
    55,256.67x = 82,885.01 × 20,196.33
  4. Step 4: Simplify right side
    55,256.67x = 1,673,972,988.77
  5. Step 5: Solve for x
    x = 1,673,972,988.77/55,256.67
  6. Step 6: Final answer
    x = 30,294.49

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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.