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Finding the Fourth Proportional to 222,466.01, 307,004.04 and 120,492.68

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Solution

The fourth proportional to 222,466.01, 307,004.04 and 120,492.68 is: 166,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.01 : 307,004.04 = 120,492.68 : x
  2. Step 2: Convert to fraction form
    222,466.01/307,004.04 = 120,492.68/x
  3. Step 3: Cross multiply
    222,466.01x = 307,004.04 × 120,492.68
  4. Step 4: Simplify right side
    222,466.01x = 36,991,738,015.41
  5. Step 5: Solve for x
    x = 36,991,738,015.41/222,466.01
  6. Step 6: Final answer
    x = 166,280.41

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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.