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Finding the Fourth Proportional to 273,559.56, 410,392.53 and 105,067.50

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Solution

The fourth proportional to 273,559.56, 410,392.53 and 105,067.50 is: 157,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,559.56 : 410,392.53 = 105,067.50 : x
  2. Step 2: Convert to fraction form
    273,559.56/410,392.53 = 105,067.50/x
  3. Step 3: Cross multiply
    273,559.56x = 410,392.53 × 105,067.50
  4. Step 4: Simplify right side
    273,559.56x = 43,118,917,145.78
  5. Step 5: Solve for x
    x = 43,118,917,145.78/273,559.56
  6. Step 6: Final answer
    x = 157,621.68

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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.