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Finding the Fourth Proportional to 233.68, 350.16 and 117.79

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Solution

The fourth proportional to 233.68, 350.16 and 117.79 is: 176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.68 : 350.16 = 117.79 : x
  2. Step 2: Convert to fraction form
    233.68/350.16 = 117.79/x
  3. Step 3: Cross multiply
    233.68x = 350.16 × 117.79
  4. Step 4: Simplify right side
    233.68x = 41,244.76
  5. Step 5: Solve for x
    x = 41,244.76/233.68
  6. Step 6: Final answer
    x = 176.50

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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.