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Finding the Fourth Proportional to 265.12, 397.44 and 94.08

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Solution

The fourth proportional to 265.12, 397.44 and 94.08 is: 141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.12 : 397.44 = 94.08 : x
  2. Step 2: Convert to fraction form
    265.12/397.44 = 94.08/x
  3. Step 3: Cross multiply
    265.12x = 397.44 × 94.08
  4. Step 4: Simplify right side
    265.12x = 37,391.16
  5. Step 5: Solve for x
    x = 37,391.16/265.12
  6. Step 6: Final answer
    x = 141.03

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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.