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Finding the Fourth Proportional to 222,557.40, 333,771.30 and 122,765.40

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Solution

The fourth proportional to 222,557.40, 333,771.30 and 122,765.40 is: 184,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,557.40 : 333,771.30 = 122,765.40 : x
  2. Step 2: Convert to fraction form
    222,557.40/333,771.30 = 122,765.40/x
  3. Step 3: Cross multiply
    222,557.40x = 333,771.30 × 122,765.40
  4. Step 4: Simplify right side
    222,557.40x = 40,975,567,153.02
  5. Step 5: Solve for x
    x = 40,975,567,153.02/222,557.40
  6. Step 6: Final answer
    x = 184,112.36

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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.