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Finding the Fourth Proportional to 248,040.20, 371,404.20 and 195,114.80

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Solution

The fourth proportional to 248,040.20, 371,404.20 and 195,114.80 is: 292,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,040.20 : 371,404.20 = 195,114.80 : x
  2. Step 2: Convert to fraction form
    248,040.20/371,404.20 = 195,114.80/x
  3. Step 3: Cross multiply
    248,040.20x = 371,404.20 × 195,114.80
  4. Step 4: Simplify right side
    248,040.20x = 72,466,456,202.16
  5. Step 5: Solve for x
    x = 72,466,456,202.16/248,040.20
  6. Step 6: Final answer
    x = 292,156.09

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1.5x scale

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.