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Finding the Fourth Proportional to 96.88, 146.09 and 95.06

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Solution

The fourth proportional to 96.88, 146.09 and 95.06 is: 143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.88 : 146.09 = 95.06 : x
  2. Step 2: Convert to fraction form
    96.88/146.09 = 95.06/x
  3. Step 3: Cross multiply
    96.88x = 146.09 × 95.06
  4. Step 4: Simplify right side
    96.88x = 13,887.32
  5. Step 5: Solve for x
    x = 13,887.32/96.88
  6. Step 6: Final answer
    x = 143.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.