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Finding the Fourth Proportional to 133,469.55, 184,187.91 and 73,040.16

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Solution

The fourth proportional to 133,469.55, 184,187.91 and 73,040.16 is: 100,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,469.55 : 184,187.91 = 73,040.16 : x
  2. Step 2: Convert to fraction form
    133,469.55/184,187.91 = 73,040.16/x
  3. Step 3: Cross multiply
    133,469.55x = 184,187.91 × 73,040.16
  4. Step 4: Simplify right side
    133,469.55x = 13,453,114,416.47
  5. Step 5: Solve for x
    x = 13,453,114,416.47/133,469.55
  6. Step 6: Final answer
    x = 100,795.38

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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.