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Finding the Fourth Proportional to 133,604.16, 184,372.32 and 73,174.56

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Solution

The fourth proportional to 133,604.16, 184,372.32 and 73,174.56 is: 100,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,604.16 : 184,372.32 = 73,174.56 : x
  2. Step 2: Convert to fraction form
    133,604.16/184,372.32 = 73,174.56/x
  3. Step 3: Cross multiply
    133,604.16x = 184,372.32 × 73,174.56
  4. Step 4: Simplify right side
    133,604.16x = 13,491,363,392.18
  5. Step 5: Solve for x
    x = 13,491,363,392.18/133,604.16
  6. Step 6: Final answer
    x = 100,980.11

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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.