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Finding the Fourth Proportional to 265.13, 397.75 and 94.13

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Solution

The fourth proportional to 265.13, 397.75 and 94.13 is: 141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.13 : 397.75 = 94.13 : x
  2. Step 2: Convert to fraction form
    265.13/397.75 = 94.13/x
  3. Step 3: Cross multiply
    265.13x = 397.75 × 94.13
  4. Step 4: Simplify right side
    265.13x = 37,438.22
  5. Step 5: Solve for x
    x = 37,438.22/265.13
  6. Step 6: Final answer
    x = 141.21

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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.