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Finding the Fourth Proportional to 248,004.20, 371,350.20 and 195,078.80

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Solution

The fourth proportional to 248,004.20, 371,350.20 and 195,078.80 is: 292,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,004.20 : 371,350.20 = 195,078.80 : x
  2. Step 2: Convert to fraction form
    248,004.20/371,350.20 = 195,078.80/x
  3. Step 3: Cross multiply
    248,004.20x = 371,350.20 × 195,078.80
  4. Step 4: Simplify right side
    248,004.20x = 72,442,551,395.76
  5. Step 5: Solve for x
    x = 72,442,551,395.76/248,004.20
  6. Step 6: Final answer
    x = 292,102.12

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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.