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Finding the Fourth Proportional to 241.50, 362.24 and 87.46

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Solution

The fourth proportional to 241.50, 362.24 and 87.46 is: 131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.50 : 362.24 = 87.46 : x
  2. Step 2: Convert to fraction form
    241.50/362.24 = 87.46/x
  3. Step 3: Cross multiply
    241.50x = 362.24 × 87.46
  4. Step 4: Simplify right side
    241.50x = 31,681.51
  5. Step 5: Solve for x
    x = 31,681.51/241.50
  6. Step 6: Final answer
    x = 131.19

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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.