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Finding the Fourth Proportional to 310.65, 465.99 and 94.24

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Solution

The fourth proportional to 310.65, 465.99 and 94.24 is: 141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.65 : 465.99 = 94.24 : x
  2. Step 2: Convert to fraction form
    310.65/465.99 = 94.24/x
  3. Step 3: Cross multiply
    310.65x = 465.99 × 94.24
  4. Step 4: Simplify right side
    310.65x = 43,914.90
  5. Step 5: Solve for x
    x = 43,914.90/310.65
  6. Step 6: Final answer
    x = 141.36

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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.