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Finding the Fourth Proportional to 223,881.60, 335,433.60 and 188,889.60

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Solution

The fourth proportional to 223,881.60, 335,433.60 and 188,889.60 is: 283,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,881.60 : 335,433.60 = 188,889.60 : x
  2. Step 2: Convert to fraction form
    223,881.60/335,433.60 = 188,889.60/x
  3. Step 3: Cross multiply
    223,881.60x = 335,433.60 × 188,889.60
  4. Step 4: Simplify right side
    223,881.60x = 63,359,918,530.56
  5. Step 5: Solve for x
    x = 63,359,918,530.56/223,881.60
  6. Step 6: Final answer
    x = 283,006.37

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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.