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Finding the Fourth Proportional to 364.10, 545.96 and 132.98

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Solution

The fourth proportional to 364.10, 545.96 and 132.98 is: 199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.10 : 545.96 = 132.98 : x
  2. Step 2: Convert to fraction form
    364.10/545.96 = 132.98/x
  3. Step 3: Cross multiply
    364.10x = 545.96 × 132.98
  4. Step 4: Simplify right side
    364.10x = 72,601.76
  5. Step 5: Solve for x
    x = 72,601.76/364.10
  6. Step 6: Final answer
    x = 199.40

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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.