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Finding the Fourth Proportional to 268,584.37, 402,790.99 and 88,636.31

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Solution

The fourth proportional to 268,584.37, 402,790.99 and 88,636.31 is: 132,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,584.37 : 402,790.99 = 88,636.31 : x
  2. Step 2: Convert to fraction form
    268,584.37/402,790.99 = 88,636.31/x
  3. Step 3: Cross multiply
    268,584.37x = 402,790.99 × 88,636.31
  4. Step 4: Simplify right side
    268,584.37x = 35,701,907,054.85
  5. Step 5: Solve for x
    x = 35,701,907,054.85/268,584.37
  6. Step 6: Final answer
    x = 132,926.23

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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.