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Finding the Fourth Proportional to 223,889.60, 335,445.60 and 188,897.60

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Solution

The fourth proportional to 223,889.60, 335,445.60 and 188,897.60 is: 283,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,889.60 : 335,445.60 = 188,897.60 : x
  2. Step 2: Convert to fraction form
    223,889.60/335,445.60 = 188,897.60/x
  3. Step 3: Cross multiply
    223,889.60x = 335,445.60 × 188,897.60
  4. Step 4: Simplify right side
    223,889.60x = 63,364,868,770.56
  5. Step 5: Solve for x
    x = 63,364,868,770.56/223,889.60
  6. Step 6: Final answer
    x = 283,018.37

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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.