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Finding the Fourth Proportional to 264.32, 364.74 and 147.89

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Solution

The fourth proportional to 264.32, 364.74 and 147.89 is: 204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.32 : 364.74 = 147.89 : x
  2. Step 2: Convert to fraction form
    264.32/364.74 = 147.89/x
  3. Step 3: Cross multiply
    264.32x = 364.74 × 147.89
  4. Step 4: Simplify right side
    264.32x = 53,939.57
  5. Step 5: Solve for x
    x = 53,939.57/264.32
  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.