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Finding the Fourth Proportional to 194.60, 292.01 and 188.53

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Solution

The fourth proportional to 194.60, 292.01 and 188.53 is: 282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.60 : 292.01 = 188.53 : x
  2. Step 2: Convert to fraction form
    194.60/292.01 = 188.53/x
  3. Step 3: Cross multiply
    194.60x = 292.01 × 188.53
  4. Step 4: Simplify right side
    194.60x = 55,050.97
  5. Step 5: Solve for x
    x = 55,050.97/194.60
  6. Step 6: Final answer
    x = 282.89

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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.