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Finding the Fourth Proportional to 735.95, 1,103.94 and 188.13

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Solution

The fourth proportional to 735.95, 1,103.94 and 188.13 is: 282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.95 : 1,103.94 = 188.13 : x
  2. Step 2: Convert to fraction form
    735.95/1,103.94 = 188.13/x
  3. Step 3: Cross multiply
    735.95x = 1,103.94 × 188.13
  4. Step 4: Simplify right side
    735.95x = 207,684.23
  5. Step 5: Solve for x
    x = 207,684.23/735.95
  6. Step 6: Final answer
    x = 282.20

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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.