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Finding the Fourth Proportional to 182.40, 251.70 and 104.76

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Solution

The fourth proportional to 182.40, 251.70 and 104.76 is: 144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.40 : 251.70 = 104.76 : x
  2. Step 2: Convert to fraction form
    182.40/251.70 = 104.76/x
  3. Step 3: Cross multiply
    182.40x = 251.70 × 104.76
  4. Step 4: Simplify right side
    182.40x = 26,368.09
  5. Step 5: Solve for x
    x = 26,368.09/182.40
  6. Step 6: Final answer
    x = 144.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.