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Finding the Fourth Proportional to 264.27, 364.71 and 147.87

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Solution

The fourth proportional to 264.27, 364.71 and 147.87 is: 204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.27 : 364.71 = 147.87 : x
  2. Step 2: Convert to fraction form
    264.27/364.71 = 147.87/x
  3. Step 3: Cross multiply
    264.27x = 364.71 × 147.87
  4. Step 4: Simplify right side
    264.27x = 53,929.67
  5. Step 5: Solve for x
    x = 53,929.67/264.27
  6. Step 6: Final answer
    x = 204.07

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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.