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Finding the Fourth Proportional to 735.81, 1,103.74 and 188.00

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Solution

The fourth proportional to 735.81, 1,103.74 and 188.00 is: 282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.81 : 1,103.74 = 188.00 : x
  2. Step 2: Convert to fraction form
    735.81/1,103.74 = 188.00/x
  3. Step 3: Cross multiply
    735.81x = 1,103.74 × 188.00
  4. Step 4: Simplify right side
    735.81x = 207,505.41
  5. Step 5: Solve for x
    x = 207,505.41/735.81
  6. Step 6: Final answer
    x = 282.01

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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.