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Finding the Fourth Proportional to 277.93, 416.93 and 95.28

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Solution

The fourth proportional to 277.93, 416.93 and 95.28 is: 142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.93 : 416.93 = 95.28 : x
  2. Step 2: Convert to fraction form
    277.93/416.93 = 95.28/x
  3. Step 3: Cross multiply
    277.93x = 416.93 × 95.28
  4. Step 4: Simplify right side
    277.93x = 39,725.09
  5. Step 5: Solve for x
    x = 39,725.09/277.93
  6. Step 6: Final answer
    x = 142.93

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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.