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Finding the Fourth Proportional to 133,884.63, 184,709.84 and 85,488.35

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Solution

The fourth proportional to 133,884.63, 184,709.84 and 85,488.35 is: 117,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,884.63 : 184,709.84 = 85,488.35 : x
  2. Step 2: Convert to fraction form
    133,884.63/184,709.84 = 85,488.35/x
  3. Step 3: Cross multiply
    133,884.63x = 184,709.84 × 85,488.35
  4. Step 4: Simplify right side
    133,884.63x = 15,790,538,099.37
  5. Step 5: Solve for x
    x = 15,790,538,099.37/133,884.63
  6. Step 6: Final answer
    x = 117,941.38

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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.