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Finding the Fourth Proportional to 107.95, 148.90 and 96.37

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Solution

The fourth proportional to 107.95, 148.90 and 96.37 is: 132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.95 : 148.90 = 96.37 : x
  2. Step 2: Convert to fraction form
    107.95/148.90 = 96.37/x
  3. Step 3: Cross multiply
    107.95x = 148.90 × 96.37
  4. Step 4: Simplify right side
    107.95x = 14,349.49
  5. Step 5: Solve for x
    x = 14,349.49/107.95
  6. Step 6: Final answer
    x = 132.93

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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.