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Finding the Fourth Proportional to 186,857.26, 280,333.88 and 53,747.94

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Solution

The fourth proportional to 186,857.26, 280,333.88 and 53,747.94 is: 80,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,857.26 : 280,333.88 = 53,747.94 : x
  2. Step 2: Convert to fraction form
    186,857.26/280,333.88 = 53,747.94/x
  3. Step 3: Cross multiply
    186,857.26x = 280,333.88 × 53,747.94
  4. Step 4: Simplify right side
    186,857.26x = 15,067,368,562.21
  5. Step 5: Solve for x
    x = 15,067,368,562.21/186,857.26
  6. Step 6: Final answer
    x = 80,635.71

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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.