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Finding the Fourth Proportional to 133,385.63, 184,168.55 and 82,468.17

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Solution

The fourth proportional to 133,385.63, 184,168.55 and 82,468.17 is: 113,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385.63 : 184,168.55 = 82,468.17 : x
  2. Step 2: Convert to fraction form
    133,385.63/184,168.55 = 82,468.17/x
  3. Step 3: Cross multiply
    133,385.63x = 184,168.55 × 82,468.17
  4. Step 4: Simplify right side
    133,385.63x = 15,188,043,496.22
  5. Step 5: Solve for x
    x = 15,188,043,496.22/133,385.63
  6. Step 6: Final answer
    x = 113,865.67

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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.