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Finding the Fourth Proportional to 111,731.56, 167,614.62 and 52,573.48

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Solution

The fourth proportional to 111,731.56, 167,614.62 and 52,573.48 is: 78,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731.56 : 167,614.62 = 52,573.48 : x
  2. Step 2: Convert to fraction form
    111,731.56/167,614.62 = 52,573.48/x
  3. Step 3: Cross multiply
    111,731.56x = 167,614.62 × 52,573.48
  4. Step 4: Simplify right side
    111,731.56x = 8,812,083,872.28
  5. Step 5: Solve for x
    x = 8,812,083,872.28/111,731.56
  6. Step 6: Final answer
    x = 78,868.35

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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.