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Finding the Fourth Proportional to 133,640.82, 184,416.90 and 73,200.06

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Solution

The fourth proportional to 133,640.82, 184,416.90 and 73,200.06 is: 101,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640.82 : 184,416.90 = 73,200.06 : x
  2. Step 2: Convert to fraction form
    133,640.82/184,416.90 = 73,200.06/x
  3. Step 3: Cross multiply
    133,640.82x = 184,416.90 × 73,200.06
  4. Step 4: Simplify right side
    133,640.82x = 13,499,328,145.01
  5. Step 5: Solve for x
    x = 13,499,328,145.01/133,640.82
  6. Step 6: Final answer
    x = 101,012.01

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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.