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Finding the Fourth Proportional to 222,633.60, 333,982.80 and 72,837.60

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Solution

The fourth proportional to 222,633.60, 333,982.80 and 72,837.60 is: 109,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,633.60 : 333,982.80 = 72,837.60 : x
  2. Step 2: Convert to fraction form
    222,633.60/333,982.80 = 72,837.60/x
  3. Step 3: Cross multiply
    222,633.60x = 333,982.80 × 72,837.60
  4. Step 4: Simplify right side
    222,633.60x = 24,326,505,593.28
  5. Step 5: Solve for x
    x = 24,326,505,593.28/222,633.60
  6. Step 6: Final answer
    x = 109,267.00

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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.