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Finding the Fourth Proportional to 185,550.21, 255,944.21 and 162,871.29

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Solution

The fourth proportional to 185,550.21, 255,944.21 and 162,871.29 is: 224,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,550.21 : 255,944.21 = 162,871.29 : x
  2. Step 2: Convert to fraction form
    185,550.21/255,944.21 = 162,871.29/x
  3. Step 3: Cross multiply
    185,550.21x = 255,944.21 × 162,871.29
  4. Step 4: Simplify right side
    185,550.21x = 41,685,962,836.37
  5. Step 5: Solve for x
    x = 41,685,962,836.37/185,550.21
  6. Step 6: Final answer
    x = 224,661.36

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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.