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Finding the Fourth Proportional to 222,247, 306,703.02 and 121,647.16

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Solution

The fourth proportional to 222,247, 306,703.02 and 121,647.16 is: 167,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,247 : 306,703.02 = 121,647.16 : x
  2. Step 2: Convert to fraction form
    222,247/306,703.02 = 121,647.16/x
  3. Step 3: Cross multiply
    222,247x = 306,703.02 × 121,647.16
  4. Step 4: Simplify right side
    222,247x = 37,309,551,346.42
  5. Step 5: Solve for x
    x = 37,309,551,346.42/222,247
  6. Step 6: Final answer
    x = 167,874.26

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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.