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Finding the Fourth Proportional to 248,706.60, 372,266.10 and 196,218.60

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Solution

The fourth proportional to 248,706.60, 372,266.10 and 196,218.60 is: 293,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,706.60 : 372,266.10 = 196,218.60 : x
  2. Step 2: Convert to fraction form
    248,706.60/372,266.10 = 196,218.60/x
  3. Step 3: Cross multiply
    248,706.60x = 372,266.10 × 196,218.60
  4. Step 4: Simplify right side
    248,706.60x = 73,045,532,969.46
  5. Step 5: Solve for x
    x = 73,045,532,969.46/248,706.60
  6. Step 6: Final answer
    x = 293,701.63

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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.