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Finding the Fourth Proportional to 248,811.60, 372,423.60 and 196,323.60

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Solution

The fourth proportional to 248,811.60, 372,423.60 and 196,323.60 is: 293,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,811.60 : 372,423.60 = 196,323.60 : x
  2. Step 2: Convert to fraction form
    248,811.60/372,423.60 = 196,323.60/x
  3. Step 3: Cross multiply
    248,811.60x = 372,423.60 × 196,323.60
  4. Step 4: Simplify right side
    248,811.60x = 73,115,541,876.96
  5. Step 5: Solve for x
    x = 73,115,541,876.96/248,811.60
  6. Step 6: Final answer
    x = 293,859.06

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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.