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Finding the Fourth Proportional to 103.83, 155.76 and 35.33

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Solution

The fourth proportional to 103.83, 155.76 and 35.33 is: 53.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.83 : 155.76 = 35.33 : x
  2. Step 2: Convert to fraction form
    103.83/155.76 = 35.33/x
  3. Step 3: Cross multiply
    103.83x = 155.76 × 35.33
  4. Step 4: Simplify right side
    103.83x = 5,503.26
  5. Step 5: Solve for x
    x = 5,503.26/103.83
  6. Step 6: Final answer
    x = 53.00

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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.