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Finding the Fourth Proportional to 194.07, 291.24 and 148.59

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Solution

The fourth proportional to 194.07, 291.24 and 148.59 is: 222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.07 : 291.24 = 148.59 : x
  2. Step 2: Convert to fraction form
    194.07/291.24 = 148.59/x
  3. Step 3: Cross multiply
    194.07x = 291.24 × 148.59
  4. Step 4: Simplify right side
    194.07x = 43,275.35
  5. Step 5: Solve for x
    x = 43,275.35/194.07
  6. Step 6: Final answer
    x = 222.99

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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.