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Finding the Fourth Proportional to 95.88, 143.69 and 83.01

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Solution

The fourth proportional to 95.88, 143.69 and 83.01 is: 124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.88 : 143.69 = 83.01 : x
  2. Step 2: Convert to fraction form
    95.88/143.69 = 83.01/x
  3. Step 3: Cross multiply
    95.88x = 143.69 × 83.01
  4. Step 4: Simplify right side
    95.88x = 11,927.29
  5. Step 5: Solve for x
    x = 11,927.29/95.88
  6. Step 6: Final answer
    x = 124.40

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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.