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Finding the Fourth Proportional to 190.24, 262.50 and 146.60

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Solution

The fourth proportional to 190.24, 262.50 and 146.60 is: 202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.24 : 262.50 = 146.60 : x
  2. Step 2: Convert to fraction form
    190.24/262.50 = 146.60/x
  3. Step 3: Cross multiply
    190.24x = 262.50 × 146.60
  4. Step 4: Simplify right side
    190.24x = 38,482.50
  5. Step 5: Solve for x
    x = 38,482.50/190.24
  6. Step 6: Final answer
    x = 202.28

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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.