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Finding the Fourth Proportional to 277.43, 416.07 and 114.95

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Solution

The fourth proportional to 277.43, 416.07 and 114.95 is: 172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.43 : 416.07 = 114.95 : x
  2. Step 2: Convert to fraction form
    277.43/416.07 = 114.95/x
  3. Step 3: Cross multiply
    277.43x = 416.07 × 114.95
  4. Step 4: Simplify right side
    277.43x = 47,828.29
  5. Step 5: Solve for x
    x = 47,828.29/277.43
  6. Step 6: Final answer
    x = 172.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.