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Finding the Fourth Proportional to 233.54, 322.20 and 146.06

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Solution

The fourth proportional to 233.54, 322.20 and 146.06 is: 201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.54 : 322.20 = 146.06 : x
  2. Step 2: Convert to fraction form
    233.54/322.20 = 146.06/x
  3. Step 3: Cross multiply
    233.54x = 322.20 × 146.06
  4. Step 4: Simplify right side
    233.54x = 47,058.92
  5. Step 5: Solve for x
    x = 47,058.92/233.54
  6. Step 6: Final answer
    x = 201.51

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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.