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Finding the Fourth Proportional to 117,777.44, 162,538.56 and 67,476.56

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Solution

The fourth proportional to 117,777.44, 162,538.56 and 67,476.56 is: 93,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,777.44 : 162,538.56 = 67,476.56 : x
  2. Step 2: Convert to fraction form
    117,777.44/162,538.56 = 67,476.56/x
  3. Step 3: Cross multiply
    117,777.44x = 162,538.56 × 67,476.56
  4. Step 4: Simplify right side
    117,777.44x = 10,967,542,896.15
  5. Step 5: Solve for x
    x = 10,967,542,896.15/117,777.44
  6. Step 6: Final answer
    x = 93,120.91

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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.