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Finding the Fourth Proportional to 114,651.25, 158,220.03 and 63,664.99

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Solution

The fourth proportional to 114,651.25, 158,220.03 and 63,664.99 is: 87,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,651.25 : 158,220.03 = 63,664.99 : x
  2. Step 2: Convert to fraction form
    114,651.25/158,220.03 = 63,664.99/x
  3. Step 3: Cross multiply
    114,651.25x = 158,220.03 × 63,664.99
  4. Step 4: Simplify right side
    114,651.25x = 10,073,076,470.94
  5. Step 5: Solve for x
    x = 10,073,076,470.94/114,651.25
  6. Step 6: Final answer
    x = 87,858.41

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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.