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Finding the Fourth Proportional to 122,475.55, 183,724.87 and 47,601.43

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Solution

The fourth proportional to 122,475.55, 183,724.87 and 47,601.43 is: 71,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,475.55 : 183,724.87 = 47,601.43 : x
  2. Step 2: Convert to fraction form
    122,475.55/183,724.87 = 47,601.43/x
  3. Step 3: Cross multiply
    122,475.55x = 183,724.87 × 47,601.43
  4. Step 4: Simplify right side
    122,475.55x = 8,745,566,538.56
  5. Step 5: Solve for x
    x = 8,745,566,538.56/122,475.55
  6. Step 6: Final answer
    x = 71,406.63

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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.