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Finding the Fourth Proportional to 114,901.98, 158,562.45 and 63,912.96

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Solution

The fourth proportional to 114,901.98, 158,562.45 and 63,912.96 is: 88,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,901.98 : 158,562.45 = 63,912.96 : x
  2. Step 2: Convert to fraction form
    114,901.98/158,562.45 = 63,912.96/x
  3. Step 3: Cross multiply
    114,901.98x = 158,562.45 × 63,912.96
  4. Step 4: Simplify right side
    114,901.98x = 10,134,195,524.35
  5. Step 5: Solve for x
    x = 10,134,195,524.35/114,901.98
  6. Step 6: Final answer
    x = 88,198.62

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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.