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Finding the Fourth Proportional to 364.02, 545.96 and 133.02

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Solution

The fourth proportional to 364.02, 545.96 and 133.02 is: 199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.02 : 545.96 = 133.02 : x
  2. Step 2: Convert to fraction form
    364.02/545.96 = 133.02/x
  3. Step 3: Cross multiply
    364.02x = 545.96 × 133.02
  4. Step 4: Simplify right side
    364.02x = 72,622.93
  5. Step 5: Solve for x
    x = 72,622.93/364.02
  6. Step 6: Final answer
    x = 199.50

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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.