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Finding the Fourth Proportional to 310.44, 465.78 and 94.02

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Solution

The fourth proportional to 310.44, 465.78 and 94.02 is: 141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.44 : 465.78 = 94.02 : x
  2. Step 2: Convert to fraction form
    310.44/465.78 = 94.02/x
  3. Step 3: Cross multiply
    310.44x = 465.78 × 94.02
  4. Step 4: Simplify right side
    310.44x = 43,792.64
  5. Step 5: Solve for x
    x = 43,792.64/310.44
  6. Step 6: Final answer
    x = 141.07

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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.