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Finding the Fourth Proportional to 111,750.95, 167,573.79 and 40,623.56

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Solution

The fourth proportional to 111,750.95, 167,573.79 and 40,623.56 is: 60,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,750.95 : 167,573.79 = 40,623.56 : x
  2. Step 2: Convert to fraction form
    111,750.95/167,573.79 = 40,623.56/x
  3. Step 3: Cross multiply
    111,750.95x = 167,573.79 × 40,623.56
  4. Step 4: Simplify right side
    111,750.95x = 6,807,443,912.49
  5. Step 5: Solve for x
    x = 6,807,443,912.49/111,750.95
  6. Step 6: Final answer
    x = 60,916.21

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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.