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Finding the Fourth Proportional to 98.01, 146.14 and 96.19

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Solution

The fourth proportional to 98.01, 146.14 and 96.19 is: 143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.01 : 146.14 = 96.19 : x
  2. Step 2: Convert to fraction form
    98.01/146.14 = 96.19/x
  3. Step 3: Cross multiply
    98.01x = 146.14 × 96.19
  4. Step 4: Simplify right side
    98.01x = 14,056.60
  5. Step 5: Solve for x
    x = 14,056.60/98.01
  6. Step 6: Final answer
    x = 143.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.