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Finding the Fourth Proportional to 117,439.41, 162,108.41 and 69,692.75

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Solution

The fourth proportional to 117,439.41, 162,108.41 and 69,692.75 is: 96,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,439.41 : 162,108.41 = 69,692.75 : x
  2. Step 2: Convert to fraction form
    117,439.41/162,108.41 = 69,692.75/x
  3. Step 3: Cross multiply
    117,439.41x = 162,108.41 × 69,692.75
  4. Step 4: Simplify right side
    117,439.41x = 11,297,780,891.03
  5. Step 5: Solve for x
    x = 11,297,780,891.03/117,439.41
  6. Step 6: Final answer
    x = 96,200.93

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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.