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Finding the Fourth Proportional to 117,079.56, 161,559.54 and 69,324.84

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Solution

The fourth proportional to 117,079.56, 161,559.54 and 69,324.84 is: 95,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,079.56 : 161,559.54 = 69,324.84 : x
  2. Step 2: Convert to fraction form
    117,079.56/161,559.54 = 69,324.84/x
  3. Step 3: Cross multiply
    117,079.56x = 161,559.54 × 69,324.84
  4. Step 4: Simplify right side
    117,079.56x = 11,200,089,260.97
  5. Step 5: Solve for x
    x = 11,200,089,260.97/117,079.56
  6. Step 6: Final answer
    x = 95,662.21

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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.