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Finding the Fourth Proportional to 116.25, 160.14 and 94.38

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Solution

The fourth proportional to 116.25, 160.14 and 94.38 is: 130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.25 : 160.14 = 94.38 : x
  2. Step 2: Convert to fraction form
    116.25/160.14 = 94.38/x
  3. Step 3: Cross multiply
    116.25x = 160.14 × 94.38
  4. Step 4: Simplify right side
    116.25x = 15,114.01
  5. Step 5: Solve for x
    x = 15,114.01/116.25
  6. Step 6: Final answer
    x = 130.01

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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.