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Finding the Fourth Proportional to 111,992.96, 167,985.23 and 27,753.36

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Solution

The fourth proportional to 111,992.96, 167,985.23 and 27,753.36 is: 41,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992.96 : 167,985.23 = 27,753.36 : x
  2. Step 2: Convert to fraction form
    111,992.96/167,985.23 = 27,753.36/x
  3. Step 3: Cross multiply
    111,992.96x = 167,985.23 × 27,753.36
  4. Step 4: Simplify right side
    111,992.96x = 4,662,154,424.11
  5. Step 5: Solve for x
    x = 4,662,154,424.11/111,992.96
  6. Step 6: Final answer
    x = 41,629.00

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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.