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Finding the Fourth Proportional to 233.63, 350.59 and 105.38

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Solution

The fourth proportional to 233.63, 350.59 and 105.38 is: 158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.63 : 350.59 = 105.38 : x
  2. Step 2: Convert to fraction form
    233.63/350.59 = 105.38/x
  3. Step 3: Cross multiply
    233.63x = 350.59 × 105.38
  4. Step 4: Simplify right side
    233.63x = 36,943.16
  5. Step 5: Solve for x
    x = 36,943.16/233.63
  6. Step 6: Final answer
    x = 158.13

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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.