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Finding the Fourth Proportional to 95.58, 143.34 and 34.70

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Solution

The fourth proportional to 95.58, 143.34 and 34.70 is: 52.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.58 : 143.34 = 34.70 : x
  2. Step 2: Convert to fraction form
    95.58/143.34 = 34.70/x
  3. Step 3: Cross multiply
    95.58x = 143.34 × 34.70
  4. Step 4: Simplify right side
    95.58x = 4,973.05
  5. Step 5: Solve for x
    x = 4,973.05/95.58
  6. Step 6: Final answer
    x = 52.03

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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.