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Finding the Fourth Proportional to 275,659.77, 380,451.63 and 168,292.05

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Solution

The fourth proportional to 275,659.77, 380,451.63 and 168,292.05 is: 232,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,659.77 : 380,451.63 = 168,292.05 : x
  2. Step 2: Convert to fraction form
    275,659.77/380,451.63 = 168,292.05/x
  3. Step 3: Cross multiply
    275,659.77x = 380,451.63 × 168,292.05
  4. Step 4: Simplify right side
    275,659.77x = 64,026,984,738.54
  5. Step 5: Solve for x
    x = 64,026,984,738.54/275,659.77
  6. Step 6: Final answer
    x = 232,268.15

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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.