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Finding the Fourth Proportional to 150.18, 207.18 and 92.01

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Solution

The fourth proportional to 150.18, 207.18 and 92.01 is: 126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.18 : 207.18 = 92.01 : x
  2. Step 2: Convert to fraction form
    150.18/207.18 = 92.01/x
  3. Step 3: Cross multiply
    150.18x = 207.18 × 92.01
  4. Step 4: Simplify right side
    150.18x = 19,062.63
  5. Step 5: Solve for x
    x = 19,062.63/150.18
  6. Step 6: Final answer
    x = 126.93

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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.