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Finding the Fourth Proportional to 97.04, 145.43 and 36.14

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Solution

The fourth proportional to 97.04, 145.43 and 36.14 is: 54.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.04 : 145.43 = 36.14 : x
  2. Step 2: Convert to fraction form
    97.04/145.43 = 36.14/x
  3. Step 3: Cross multiply
    97.04x = 145.43 × 36.14
  4. Step 4: Simplify right side
    97.04x = 5,255.84
  5. Step 5: Solve for x
    x = 5,255.84/97.04
  6. Step 6: Final answer
    x = 54.16

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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.