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Finding the Fourth Proportional to 181.64, 250.66 and 104

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Solution

The fourth proportional to 181.64, 250.66 and 104 is: 143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.64 : 250.66 = 104 : x
  2. Step 2: Convert to fraction form
    181.64/250.66 = 104/x
  3. Step 3: Cross multiply
    181.64x = 250.66 × 104
  4. Step 4: Simplify right side
    181.64x = 26,068.64
  5. Step 5: Solve for x
    x = 26,068.64/181.64
  6. Step 6: Final answer
    x = 143.52

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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.