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Finding the Fourth Proportional to 185.93, 278.94 and 185.93

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Solution

The fourth proportional to 185.93, 278.94 and 185.93 is: 278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.93 : 278.94 = 185.93 : x
  2. Step 2: Convert to fraction form
    185.93/278.94 = 185.93/x
  3. Step 3: Cross multiply
    185.93x = 278.94 × 185.93
  4. Step 4: Simplify right side
    185.93x = 51,861.92
  5. Step 5: Solve for x
    x = 51,861.92/185.93
  6. Step 6: Final answer
    x = 278.94

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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.