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Finding the Fourth Proportional to 146.37, 202.01 and 111.35

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Solution

The fourth proportional to 146.37, 202.01 and 111.35 is: 153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.37 : 202.01 = 111.35 : x
  2. Step 2: Convert to fraction form
    146.37/202.01 = 111.35/x
  3. Step 3: Cross multiply
    146.37x = 202.01 × 111.35
  4. Step 4: Simplify right side
    146.37x = 22,492.25
  5. Step 5: Solve for x
    x = 22,492.25/146.37
  6. Step 6: Final answer
    x = 153.67

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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.