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Finding the Fourth Proportional to 233.52, 349.66 and 193.12

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Solution

The fourth proportional to 233.52, 349.66 and 193.12 is: 289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.52 : 349.66 = 193.12 : x
  2. Step 2: Convert to fraction form
    233.52/349.66 = 193.12/x
  3. Step 3: Cross multiply
    233.52x = 349.66 × 193.12
  4. Step 4: Simplify right side
    233.52x = 67,526.34
  5. Step 5: Solve for x
    x = 67,526.34/233.52
  6. Step 6: Final answer
    x = 289.17

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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.