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Finding the Fourth Proportional to 264.08, 364.40 and 147.64

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Solution

The fourth proportional to 264.08, 364.40 and 147.64 is: 203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.08 : 364.40 = 147.64 : x
  2. Step 2: Convert to fraction form
    264.08/364.40 = 147.64/x
  3. Step 3: Cross multiply
    264.08x = 364.40 × 147.64
  4. Step 4: Simplify right side
    264.08x = 53,800.02
  5. Step 5: Solve for x
    x = 53,800.02/264.08
  6. Step 6: Final answer
    x = 203.73

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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.