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Finding the Fourth Proportional to 248,759.64, 373,194.90 and 90,984.60

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Solution

The fourth proportional to 248,759.64, 373,194.90 and 90,984.60 is: 136,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,759.64 : 373,194.90 = 90,984.60 : x
  2. Step 2: Convert to fraction form
    248,759.64/373,194.90 = 90,984.60/x
  3. Step 3: Cross multiply
    248,759.64x = 373,194.90 × 90,984.60
  4. Step 4: Simplify right side
    248,759.64x = 33,954,988,698.54
  5. Step 5: Solve for x
    x = 33,954,988,698.54/248,759.64
  6. Step 6: Final answer
    x = 136,497.18

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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.