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Finding the Fourth Proportional to 107.16, 160.76 and 101.33

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Solution

The fourth proportional to 107.16, 160.76 and 101.33 is: 152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.16 : 160.76 = 101.33 : x
  2. Step 2: Convert to fraction form
    107.16/160.76 = 101.33/x
  3. Step 3: Cross multiply
    107.16x = 160.76 × 101.33
  4. Step 4: Simplify right side
    107.16x = 16,289.86
  5. Step 5: Solve for x
    x = 16,289.86/107.16
  6. Step 6: Final answer
    x = 152.01

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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.