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Finding the Fourth Proportional to 277.59, 416.33 and 94.98

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Solution

The fourth proportional to 277.59, 416.33 and 94.98 is: 142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.59 : 416.33 = 94.98 : x
  2. Step 2: Convert to fraction form
    277.59/416.33 = 94.98/x
  3. Step 3: Cross multiply
    277.59x = 416.33 × 94.98
  4. Step 4: Simplify right side
    277.59x = 39,542.55
  5. Step 5: Solve for x
    x = 39,542.55/277.59
  6. Step 6: Final answer
    x = 142.45

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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.