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Finding the Fourth Proportional to 192,809.70, 289,214.55 and 188,873.10

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Solution

The fourth proportional to 192,809.70, 289,214.55 and 188,873.10 is: 283,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,809.70 : 289,214.55 = 188,873.10 : x
  2. Step 2: Convert to fraction form
    192,809.70/289,214.55 = 188,873.10/x
  3. Step 3: Cross multiply
    192,809.70x = 289,214.55 × 188,873.10
  4. Step 4: Simplify right side
    192,809.70x = 54,624,848,623.61
  5. Step 5: Solve for x
    x = 54,624,848,623.61/192,809.70
  6. Step 6: Final answer
    x = 283,309.65

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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.