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Finding the Fourth Proportional to 275,976.86, 380,883.28 and 168,524.28

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Solution

The fourth proportional to 275,976.86, 380,883.28 and 168,524.28 is: 232,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,976.86 : 380,883.28 = 168,524.28 : x
  2. Step 2: Convert to fraction form
    275,976.86/380,883.28 = 168,524.28/x
  3. Step 3: Cross multiply
    275,976.86x = 380,883.28 × 168,524.28
  4. Step 4: Simplify right side
    275,976.86x = 64,188,080,526.04
  5. Step 5: Solve for x
    x = 64,188,080,526.04/275,976.86
  6. Step 6: Final answer
    x = 232,585.01

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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.