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Finding the Fourth Proportional to 233.77, 350.76 and 89.50

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Solution

The fourth proportional to 233.77, 350.76 and 89.50 is: 134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.77 : 350.76 = 89.50 : x
  2. Step 2: Convert to fraction form
    233.77/350.76 = 89.50/x
  3. Step 3: Cross multiply
    233.77x = 350.76 × 89.50
  4. Step 4: Simplify right side
    233.77x = 31,393.02
  5. Step 5: Solve for x
    x = 31,393.02/233.77
  6. Step 6: Final answer
    x = 134.29

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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.