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Finding the Fourth Proportional to 195,663.60, 293,851.80 and 171,169.20

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Solution

The fourth proportional to 195,663.60, 293,851.80 and 171,169.20 is: 257,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,663.60 : 293,851.80 = 171,169.20 : x
  2. Step 2: Convert to fraction form
    195,663.60/293,851.80 = 171,169.20/x
  3. Step 3: Cross multiply
    195,663.60x = 293,851.80 × 171,169.20
  4. Step 4: Simplify right side
    195,663.60x = 50,298,377,524.56
  5. Step 5: Solve for x
    x = 50,298,377,524.56/195,663.60
  6. Step 6: Final answer
    x = 257,065.58

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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.