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Finding the Fourth Proportional to 124.99, 187.26 and 94.54

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Solution

The fourth proportional to 124.99, 187.26 and 94.54 is: 141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.99 : 187.26 = 94.54 : x
  2. Step 2: Convert to fraction form
    124.99/187.26 = 94.54/x
  3. Step 3: Cross multiply
    124.99x = 187.26 × 94.54
  4. Step 4: Simplify right side
    124.99x = 17,703.56
  5. Step 5: Solve for x
    x = 17,703.56/124.99
  6. Step 6: Final answer
    x = 141.64

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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.