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Finding the Fourth Proportional to 258,383.68, 356,347.44 and 167,650.24

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Solution

The fourth proportional to 258,383.68, 356,347.44 and 167,650.24 is: 231,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,383.68 : 356,347.44 = 167,650.24 : x
  2. Step 2: Convert to fraction form
    258,383.68/356,347.44 = 167,650.24/x
  3. Step 3: Cross multiply
    258,383.68x = 356,347.44 × 167,650.24
  4. Step 4: Simplify right side
    258,383.68x = 59,741,733,839.39
  5. Step 5: Solve for x
    x = 59,741,733,839.39/258,383.68
  6. Step 6: Final answer
    x = 231,213.26

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1.5x scale

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.