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Finding the Fourth Proportional to 185,321.44, 255,756.59 and 104,749.54

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Solution

The fourth proportional to 185,321.44, 255,756.59 and 104,749.54 is: 144,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,321.44 : 255,756.59 = 104,749.54 : x
  2. Step 2: Convert to fraction form
    185,321.44/255,756.59 = 104,749.54/x
  3. Step 3: Cross multiply
    185,321.44x = 255,756.59 × 104,749.54
  4. Step 4: Simplify right side
    185,321.44x = 26,790,384,776.95
  5. Step 5: Solve for x
    x = 26,790,384,776.95/185,321.44
  6. Step 6: Final answer
    x = 144,561.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.