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Finding the Fourth Proportional to 222,558.00, 307,129.64 and 120,586.05

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Solution

The fourth proportional to 222,558.00, 307,129.64 and 120,586.05 is: 166,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,558.00 : 307,129.64 = 120,586.05 : x
  2. Step 2: Convert to fraction form
    222,558.00/307,129.64 = 120,586.05/x
  3. Step 3: Cross multiply
    222,558.00x = 307,129.64 × 120,586.05
  4. Step 4: Simplify right side
    222,558.00x = 37,035,550,987.87
  5. Step 5: Solve for x
    x = 37,035,550,987.87/222,558.00
  6. Step 6: Final answer
    x = 166,408.53

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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.