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Finding the Fourth Proportional to 114,237.21, 157,647.33 and 63,936.21

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Solution

The fourth proportional to 114,237.21, 157,647.33 and 63,936.21 is: 88,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,237.21 : 157,647.33 = 63,936.21 : x
  2. Step 2: Convert to fraction form
    114,237.21/157,647.33 = 63,936.21/x
  3. Step 3: Cross multiply
    114,237.21x = 157,647.33 × 63,936.21
  4. Step 4: Simplify right side
    114,237.21x = 10,079,372,796.82
  5. Step 5: Solve for x
    x = 10,079,372,796.82/114,237.21
  6. Step 6: Final answer
    x = 88,231.96

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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.