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Finding the Fourth Proportional to 248,114.40, 372,171.60 and 142,846.80

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Solution

The fourth proportional to 248,114.40, 372,171.60 and 142,846.80 is: 214,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,114.40 : 372,171.60 = 142,846.80 : x
  2. Step 2: Convert to fraction form
    248,114.40/372,171.60 = 142,846.80/x
  3. Step 3: Cross multiply
    248,114.40x = 372,171.60 × 142,846.80
  4. Step 4: Simplify right side
    248,114.40x = 53,163,522,110.88
  5. Step 5: Solve for x
    x = 53,163,522,110.88/248,114.40
  6. Step 6: Final answer
    x = 214,270.20

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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.