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Finding the Fourth Proportional to 365.12, 547.62 and 134

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Solution

The fourth proportional to 365.12, 547.62 and 134 is: 200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.12 : 547.62 = 134 : x
  2. Step 2: Convert to fraction form
    365.12/547.62 = 134/x
  3. Step 3: Cross multiply
    365.12x = 547.62 × 134
  4. Step 4: Simplify right side
    365.12x = 73,381.08
  5. Step 5: Solve for x
    x = 73,381.08/365.12
  6. Step 6: Final answer
    x = 200.98

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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.