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Finding the Fourth Proportional to 107.10, 160.56 and 58.24

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Solution

The fourth proportional to 107.10, 160.56 and 58.24 is: 87.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.10 : 160.56 = 58.24 : x
  2. Step 2: Convert to fraction form
    107.10/160.56 = 58.24/x
  3. Step 3: Cross multiply
    107.10x = 160.56 × 58.24
  4. Step 4: Simplify right side
    107.10x = 9,351.01
  5. Step 5: Solve for x
    x = 9,351.01/107.10
  6. Step 6: Final answer
    x = 87.31

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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.