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Finding the Fourth Proportional to 223,284.60, 335,040.84 and 148,455.72

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Solution

The fourth proportional to 223,284.60, 335,040.84 and 148,455.72 is: 222,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,284.60 : 335,040.84 = 148,455.72 : x
  2. Step 2: Convert to fraction form
    223,284.60/335,040.84 = 148,455.72/x
  3. Step 3: Cross multiply
    223,284.60x = 335,040.84 × 148,455.72
  4. Step 4: Simplify right side
    223,284.60x = 49,738,729,131.60
  5. Step 5: Solve for x
    x = 49,738,729,131.60/223,284.60
  6. Step 6: Final answer
    x = 222,759.34

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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.