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Finding the Fourth Proportional to 111,844.42, 167,644.97 and 55,726

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Solution

The fourth proportional to 111,844.42, 167,644.97 and 55,726 is: 83,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,844.42 : 167,644.97 = 55,726 : x
  2. Step 2: Convert to fraction form
    111,844.42/167,644.97 = 55,726/x
  3. Step 3: Cross multiply
    111,844.42x = 167,644.97 × 55,726
  4. Step 4: Simplify right side
    111,844.42x = 9,342,183,598.22
  5. Step 5: Solve for x
    x = 9,342,183,598.22/111,844.42
  6. Step 6: Final answer
    x = 83,528.38

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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.