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Finding the Fourth Proportional to 222,777.20, 334,018.20 and 122,985.20

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Solution

The fourth proportional to 222,777.20, 334,018.20 and 122,985.20 is: 184,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,777.20 : 334,018.20 = 122,985.20 : x
  2. Step 2: Convert to fraction form
    222,777.20/334,018.20 = 122,985.20/x
  3. Step 3: Cross multiply
    222,777.20x = 334,018.20 × 122,985.20
  4. Step 4: Simplify right side
    222,777.20x = 41,079,295,130.64
  5. Step 5: Solve for x
    x = 41,079,295,130.64/222,777.20
  6. Step 6: Final answer
    x = 184,396.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.