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Finding the Fourth Proportional to 111,857.01, 154,365.92 and 60,873.03

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Solution

The fourth proportional to 111,857.01, 154,365.92 and 60,873.03 is: 84,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,857.01 : 154,365.92 = 60,873.03 : x
  2. Step 2: Convert to fraction form
    111,857.01/154,365.92 = 60,873.03/x
  3. Step 3: Cross multiply
    111,857.01x = 154,365.92 × 60,873.03
  4. Step 4: Simplify right side
    111,857.01x = 9,396,720,683.29
  5. Step 5: Solve for x
    x = 9,396,720,683.29/111,857.01
  6. Step 6: Final answer
    x = 84,006.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.