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Finding the Fourth Proportional to 133,651.44, 184,018.20 and 113,468.40

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Solution

The fourth proportional to 133,651.44, 184,018.20 and 113,468.40 is: 156,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,651.44 : 184,018.20 = 113,468.40 : x
  2. Step 2: Convert to fraction form
    133,651.44/184,018.20 = 113,468.40/x
  3. Step 3: Cross multiply
    133,651.44x = 184,018.20 × 113,468.40
  4. Step 4: Simplify right side
    133,651.44x = 20,880,250,724.88
  5. Step 5: Solve for x
    x = 20,880,250,724.88/133,651.44
  6. Step 6: Final answer
    x = 156,229.15

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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.