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Finding the Fourth Proportional to 310.36, 465.53 and 93.94

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Solution

The fourth proportional to 310.36, 465.53 and 93.94 is: 140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.36 : 465.53 = 93.94 : x
  2. Step 2: Convert to fraction form
    310.36/465.53 = 93.94/x
  3. Step 3: Cross multiply
    310.36x = 465.53 × 93.94
  4. Step 4: Simplify right side
    310.36x = 43,730.96
  5. Step 5: Solve for x
    x = 43,730.96/310.36
  6. Step 6: Final answer
    x = 140.91

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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.