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Finding the Fourth Proportional to 192,880.60, 289,320.90 and 50,725.60

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Solution

The fourth proportional to 192,880.60, 289,320.90 and 50,725.60 is: 76,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,880.60 : 289,320.90 = 50,725.60 : x
  2. Step 2: Convert to fraction form
    192,880.60/289,320.90 = 50,725.60/x
  3. Step 3: Cross multiply
    192,880.60x = 289,320.90 × 50,725.60
  4. Step 4: Simplify right side
    192,880.60x = 14,675,976,245.04
  5. Step 5: Solve for x
    x = 14,675,976,245.04/192,880.60
  6. Step 6: Final answer
    x = 76,088.40

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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.