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Finding the Fourth Proportional to 264.13, 364.50 and 147.70

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Solution

The fourth proportional to 264.13, 364.50 and 147.70 is: 203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.13 : 364.50 = 147.70 : x
  2. Step 2: Convert to fraction form
    264.13/364.50 = 147.70/x
  3. Step 3: Cross multiply
    264.13x = 364.50 × 147.70
  4. Step 4: Simplify right side
    264.13x = 53,836.65
  5. Step 5: Solve for x
    x = 53,836.65/264.13
  6. Step 6: Final answer
    x = 203.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.