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Finding the Fourth Proportional to 99.26, 149.06 and 94.14

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Solution

The fourth proportional to 99.26, 149.06 and 94.14 is: 141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.26 : 149.06 = 94.14 : x
  2. Step 2: Convert to fraction form
    99.26/149.06 = 94.14/x
  3. Step 3: Cross multiply
    99.26x = 149.06 × 94.14
  4. Step 4: Simplify right side
    99.26x = 14,032.51
  5. Step 5: Solve for x
    x = 14,032.51/99.26
  6. Step 6: Final answer
    x = 141.37

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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.