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Finding the Fourth Proportional to 310.77, 466.12 and 94.37

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Solution

The fourth proportional to 310.77, 466.12 and 94.37 is: 141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.77 : 466.12 = 94.37 : x
  2. Step 2: Convert to fraction form
    310.77/466.12 = 94.37/x
  3. Step 3: Cross multiply
    310.77x = 466.12 × 94.37
  4. Step 4: Simplify right side
    310.77x = 43,985.53
  5. Step 5: Solve for x
    x = 43,985.53/310.77
  6. Step 6: Final answer
    x = 141.54

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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.