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Finding the Fourth Proportional to 192,341.40, 288,512.10 and 50,186.40

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Solution

The fourth proportional to 192,341.40, 288,512.10 and 50,186.40 is: 75,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,341.40 : 288,512.10 = 50,186.40 : x
  2. Step 2: Convert to fraction form
    192,341.40/288,512.10 = 50,186.40/x
  3. Step 3: Cross multiply
    192,341.40x = 288,512.10 × 50,186.40
  4. Step 4: Simplify right side
    192,341.40x = 14,479,383,655.44
  5. Step 5: Solve for x
    x = 14,479,383,655.44/192,341.40
  6. Step 6: Final answer
    x = 75,279.60

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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.