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Finding the Fourth Proportional to 114,611.63, 171,986.56 and 48,947.63

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Solution

The fourth proportional to 114,611.63, 171,986.56 and 48,947.63 is: 73,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,611.63 : 171,986.56 = 48,947.63 : x
  2. Step 2: Convert to fraction form
    114,611.63/171,986.56 = 48,947.63/x
  3. Step 3: Cross multiply
    114,611.63x = 171,986.56 × 48,947.63
  4. Step 4: Simplify right side
    114,611.63x = 8,418,333,521.55
  5. Step 5: Solve for x
    x = 8,418,333,521.55/114,611.63
  6. Step 6: Final answer
    x = 73,450.96

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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.