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Finding the Fourth Proportional to 200.94, 277.59 and 135.73

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Solution

The fourth proportional to 200.94, 277.59 and 135.73 is: 187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.94 : 277.59 = 135.73 : x
  2. Step 2: Convert to fraction form
    200.94/277.59 = 135.73/x
  3. Step 3: Cross multiply
    200.94x = 277.59 × 135.73
  4. Step 4: Simplify right side
    200.94x = 37,677.29
  5. Step 5: Solve for x
    x = 37,677.29/200.94
  6. Step 6: Final answer
    x = 187.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.