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Finding the Fourth Proportional to 192,519.40, 288,606.30 and 171,524.20

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Solution

The fourth proportional to 192,519.40, 288,606.30 and 171,524.20 is: 257,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,519.40 : 288,606.30 = 171,524.20 : x
  2. Step 2: Convert to fraction form
    192,519.40/288,606.30 = 171,524.20/x
  3. Step 3: Cross multiply
    192,519.40x = 288,606.30 × 171,524.20
  4. Step 4: Simplify right side
    192,519.40x = 49,502,964,722.46
  5. Step 5: Solve for x
    x = 49,502,964,722.46/192,519.40
  6. Step 6: Final answer
    x = 257,132.34

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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.