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Finding the Fourth Proportional to 95.94, 143.66 and 73.06

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Solution

The fourth proportional to 95.94, 143.66 and 73.06 is: 109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.94 : 143.66 = 73.06 : x
  2. Step 2: Convert to fraction form
    95.94/143.66 = 73.06/x
  3. Step 3: Cross multiply
    95.94x = 143.66 × 73.06
  4. Step 4: Simplify right side
    95.94x = 10,495.80
  5. Step 5: Solve for x
    x = 10,495.80/95.94
  6. Step 6: Final answer
    x = 109.40

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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.