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Finding the Fourth Proportional to 222,608.86, 333,910.35 and 54,128.72

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Solution

The fourth proportional to 222,608.86, 333,910.35 and 54,128.72 is: 81,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,608.86 : 333,910.35 = 54,128.72 : x
  2. Step 2: Convert to fraction form
    222,608.86/333,910.35 = 54,128.72/x
  3. Step 3: Cross multiply
    222,608.86x = 333,910.35 × 54,128.72
  4. Step 4: Simplify right side
    222,608.86x = 18,074,140,675.03
  5. Step 5: Solve for x
    x = 18,074,140,675.03/222,608.86
  6. Step 6: Final answer
    x = 81,192.37

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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.