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Finding the Fourth Proportional to 192,800.90, 289,028.55 and 171,805.70

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Solution

The fourth proportional to 192,800.90, 289,028.55 and 171,805.70 is: 257,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,800.90 : 289,028.55 = 171,805.70 : x
  2. Step 2: Convert to fraction form
    192,800.90/289,028.55 = 171,805.70/x
  3. Step 3: Cross multiply
    192,800.90x = 289,028.55 × 171,805.70
  4. Step 4: Simplify right side
    192,800.90x = 49,656,752,352.74
  5. Step 5: Solve for x
    x = 49,656,752,352.74/192,800.90
  6. Step 6: Final answer
    x = 257,554.57

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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.