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Finding the Fourth Proportional to 268,674.63, 370,770.97 and 147,813.32

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Solution

The fourth proportional to 268,674.63, 370,770.97 and 147,813.32 is: 203,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,674.63 : 370,770.97 = 147,813.32 : x
  2. Step 2: Convert to fraction form
    268,674.63/370,770.97 = 147,813.32/x
  3. Step 3: Cross multiply
    268,674.63x = 370,770.97 × 147,813.32
  4. Step 4: Simplify right side
    268,674.63x = 54,804,887,108.39
  5. Step 5: Solve for x
    x = 54,804,887,108.39/268,674.63
  6. Step 6: Final answer
    x = 203,982.37

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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.