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Finding the Fourth Proportional to 233.68, 350.54 and 96.72

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Solution

The fourth proportional to 233.68, 350.54 and 96.72 is: 145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.68 : 350.54 = 96.72 : x
  2. Step 2: Convert to fraction form
    233.68/350.54 = 96.72/x
  3. Step 3: Cross multiply
    233.68x = 350.54 × 96.72
  4. Step 4: Simplify right side
    233.68x = 33,904.23
  5. Step 5: Solve for x
    x = 33,904.23/233.68
  6. Step 6: Final answer
    x = 145.09

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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.