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Finding the Fourth Proportional to 192,014.10, 288,021.15 and 125,529.30

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Solution

The fourth proportional to 192,014.10, 288,021.15 and 125,529.30 is: 188,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,014.10 : 288,021.15 = 125,529.30 : x
  2. Step 2: Convert to fraction form
    192,014.10/288,021.15 = 125,529.30/x
  3. Step 3: Cross multiply
    192,014.10x = 288,021.15 × 125,529.30
  4. Step 4: Simplify right side
    192,014.10x = 36,155,093,344.70
  5. Step 5: Solve for x
    x = 36,155,093,344.70/192,014.10
  6. Step 6: Final answer
    x = 188,293.95

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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.