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Finding the Fourth Proportional to 111,317.01, 166,991.24 and 36,443.24

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Solution

The fourth proportional to 111,317.01, 166,991.24 and 36,443.24 is: 54,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,317.01 : 166,991.24 = 36,443.24 : x
  2. Step 2: Convert to fraction form
    111,317.01/166,991.24 = 36,443.24/x
  3. Step 3: Cross multiply
    111,317.01x = 166,991.24 × 36,443.24
  4. Step 4: Simplify right side
    111,317.01x = 6,085,701,837.22
  5. Step 5: Solve for x
    x = 6,085,701,837.22/111,317.01
  6. Step 6: Final answer
    x = 54,670.01

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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.