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Finding the Fourth Proportional to 233.03, 349.09 and 117.13

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Solution

The fourth proportional to 233.03, 349.09 and 117.13 is: 175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.03 : 349.09 = 117.13 : x
  2. Step 2: Convert to fraction form
    233.03/349.09 = 117.13/x
  3. Step 3: Cross multiply
    233.03x = 349.09 × 117.13
  4. Step 4: Simplify right side
    233.03x = 40,888.91
  5. Step 5: Solve for x
    x = 40,888.91/233.03
  6. Step 6: Final answer
    x = 175.47

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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.