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Finding the Fourth Proportional to 94.44, 130.88 and 93.34

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Solution

The fourth proportional to 94.44, 130.88 and 93.34 is: 129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.44 : 130.88 = 93.34 : x
  2. Step 2: Convert to fraction form
    94.44/130.88 = 93.34/x
  3. Step 3: Cross multiply
    94.44x = 130.88 × 93.34
  4. Step 4: Simplify right side
    94.44x = 12,216.34
  5. Step 5: Solve for x
    x = 12,216.34/94.44
  6. Step 6: Final answer
    x = 129.36

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.