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Finding the Fourth Proportional to 248,858.20, 373,373.70 and 108,659.80

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Solution

The fourth proportional to 248,858.20, 373,373.70 and 108,659.80 is: 163,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,858.20 : 373,373.70 = 108,659.80 : x
  2. Step 2: Convert to fraction form
    248,858.20/373,373.70 = 108,659.80/x
  3. Step 3: Cross multiply
    248,858.20x = 373,373.70 × 108,659.80
  4. Step 4: Simplify right side
    248,858.20x = 40,570,711,567.26
  5. Step 5: Solve for x
    x = 40,570,711,567.26/248,858.20
  6. Step 6: Final answer
    x = 163,027.43

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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.