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Finding the Fourth Proportional to 190.08, 283.59 and 180.90

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Solution

The fourth proportional to 190.08, 283.59 and 180.90 is: 269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.08 : 283.59 = 180.90 : x
  2. Step 2: Convert to fraction form
    190.08/283.59 = 180.90/x
  3. Step 3: Cross multiply
    190.08x = 283.59 × 180.90
  4. Step 4: Simplify right side
    190.08x = 51,301.43
  5. Step 5: Solve for x
    x = 51,301.43/190.08
  6. Step 6: Final answer
    x = 269.89

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.