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Finding the Fourth Proportional to 168,616.64, 232,739.52 and 111,297.84

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Solution

The fourth proportional to 168,616.64, 232,739.52 and 111,297.84 is: 153,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,616.64 : 232,739.52 = 111,297.84 : x
  2. Step 2: Convert to fraction form
    168,616.64/232,739.52 = 111,297.84/x
  3. Step 3: Cross multiply
    168,616.64x = 232,739.52 × 111,297.84
  4. Step 4: Simplify right side
    168,616.64x = 25,903,405,858.64
  5. Step 5: Solve for x
    x = 25,903,405,858.64/168,616.64
  6. Step 6: Final answer
    x = 153,623.07

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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.