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Finding the Fourth Proportional to 192,011.80, 288,017.70 and 169,850.20

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Solution

The fourth proportional to 192,011.80, 288,017.70 and 169,850.20 is: 254,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,011.80 : 288,017.70 = 169,850.20 : x
  2. Step 2: Convert to fraction form
    192,011.80/288,017.70 = 169,850.20/x
  3. Step 3: Cross multiply
    192,011.80x = 288,017.70 × 169,850.20
  4. Step 4: Simplify right side
    192,011.80x = 48,919,863,948.54
  5. Step 5: Solve for x
    x = 48,919,863,948.54/192,011.80
  6. Step 6: Final answer
    x = 254,775.30

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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.