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Finding the Fourth Proportional to 190.25, 284.92 and 175.67

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Solution

The fourth proportional to 190.25, 284.92 and 175.67 is: 263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.25 : 284.92 = 175.67 : x
  2. Step 2: Convert to fraction form
    190.25/284.92 = 175.67/x
  3. Step 3: Cross multiply
    190.25x = 284.92 × 175.67
  4. Step 4: Simplify right side
    190.25x = 50,051.10
  5. Step 5: Solve for x
    x = 50,051.10/190.25
  6. Step 6: Final answer
    x = 263.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.