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Finding the Fourth Proportional to 149.58, 206.54 and 134.01

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Solution

The fourth proportional to 149.58, 206.54 and 134.01 is: 185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.58 : 206.54 = 134.01 : x
  2. Step 2: Convert to fraction form
    149.58/206.54 = 134.01/x
  3. Step 3: Cross multiply
    149.58x = 206.54 × 134.01
  4. Step 4: Simplify right side
    149.58x = 27,678.43
  5. Step 5: Solve for x
    x = 27,678.43/149.58
  6. Step 6: Final answer
    x = 185.04

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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.