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Finding the Fourth Proportional to 196,752.60, 295,712.10 and 171,091.80

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Solution

The fourth proportional to 196,752.60, 295,712.10 and 171,091.80 is: 257,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,752.60 : 295,712.10 = 171,091.80 : x
  2. Step 2: Convert to fraction form
    196,752.60/295,712.10 = 171,091.80/x
  3. Step 3: Cross multiply
    196,752.60x = 295,712.10 × 171,091.80
  4. Step 4: Simplify right side
    196,752.60x = 50,593,915,470.78
  5. Step 5: Solve for x
    x = 50,593,915,470.78/196,752.60
  6. Step 6: Final answer
    x = 257,144.84

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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.