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Finding the Fourth Proportional to 114,762.27, 158,361.85 and 63,771.77

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Solution

The fourth proportional to 114,762.27, 158,361.85 and 63,771.77 is: 87,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,762.27 : 158,361.85 = 63,771.77 : x
  2. Step 2: Convert to fraction form
    114,762.27/158,361.85 = 63,771.77/x
  3. Step 3: Cross multiply
    114,762.27x = 158,361.85 × 63,771.77
  4. Step 4: Simplify right side
    114,762.27x = 10,099,015,474.97
  5. Step 5: Solve for x
    x = 10,099,015,474.97/114,762.27
  6. Step 6: Final answer
    x = 87,999.44

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Why These Related Problems?

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