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Finding the Fourth Proportional to 110,995.88, 166,466.12 and 43,541.61

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Solution

The fourth proportional to 110,995.88, 166,466.12 and 43,541.61 is: 65,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,995.88 : 166,466.12 = 43,541.61 : x
  2. Step 2: Convert to fraction form
    110,995.88/166,466.12 = 43,541.61/x
  3. Step 3: Cross multiply
    110,995.88x = 166,466.12 × 43,541.61
  4. Step 4: Simplify right side
    110,995.88x = 7,248,202,657.55
  5. Step 5: Solve for x
    x = 7,248,202,657.55/110,995.88
  6. Step 6: Final answer
    x = 65,301.55

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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.