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Finding the Fourth Proportional to 225,810.44, 311,706.07 and 169,385.96

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Solution

The fourth proportional to 225,810.44, 311,706.07 and 169,385.96 is: 233,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,810.44 : 311,706.07 = 169,385.96 : x
  2. Step 2: Convert to fraction form
    225,810.44/311,706.07 = 169,385.96/x
  3. Step 3: Cross multiply
    225,810.44x = 311,706.07 × 169,385.96
  4. Step 4: Simplify right side
    225,810.44x = 52,798,629,922.78
  5. Step 5: Solve for x
    x = 52,798,629,922.78/225,810.44
  6. Step 6: Final answer
    x = 233,818.38

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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.