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Finding the Fourth Proportional to 150.69, 207.95 and 92.46

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Solution

The fourth proportional to 150.69, 207.95 and 92.46 is: 127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.69 : 207.95 = 92.46 : x
  2. Step 2: Convert to fraction form
    150.69/207.95 = 92.46/x
  3. Step 3: Cross multiply
    150.69x = 207.95 × 92.46
  4. Step 4: Simplify right side
    150.69x = 19,226.59
  5. Step 5: Solve for x
    x = 19,226.59/150.69
  6. Step 6: Final answer
    x = 127.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.