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Finding the Fourth Proportional to 201.42, 300.84 and 174.08

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Solution

The fourth proportional to 201.42, 300.84 and 174.08 is: 260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.42 : 300.84 = 174.08 : x
  2. Step 2: Convert to fraction form
    201.42/300.84 = 174.08/x
  3. Step 3: Cross multiply
    201.42x = 300.84 × 174.08
  4. Step 4: Simplify right side
    201.42x = 52,370.23
  5. Step 5: Solve for x
    x = 52,370.23/201.42
  6. Step 6: Final answer
    x = 260.01

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Why These Related Problems?

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