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Finding the Fourth Proportional to 190.16, 262.50 and 141.02

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Solution

The fourth proportional to 190.16, 262.50 and 141.02 is: 194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.16 : 262.50 = 141.02 : x
  2. Step 2: Convert to fraction form
    190.16/262.50 = 141.02/x
  3. Step 3: Cross multiply
    190.16x = 262.50 × 141.02
  4. Step 4: Simplify right side
    190.16x = 37,017.75
  5. Step 5: Solve for x
    x = 37,017.75/190.16
  6. Step 6: Final answer
    x = 194.67

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Why These Related Problems?

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