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Finding the Fourth Proportional to 202,600.56, 279,648 and 117,751.44

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Solution

The fourth proportional to 202,600.56, 279,648 and 117,751.44 is: 162,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,600.56 : 279,648 = 117,751.44 : x
  2. Step 2: Convert to fraction form
    202,600.56/279,648 = 117,751.44/x
  3. Step 3: Cross multiply
    202,600.56x = 279,648 × 117,751.44
  4. Step 4: Simplify right side
    202,600.56x = 32,928,954,693.12
  5. Step 5: Solve for x
    x = 32,928,954,693.12/202,600.56
  6. Step 6: Final answer
    x = 162,531.41

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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.