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Finding the Fourth Proportional to 186,676.05, 280,013.53 and 46,434.67

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Solution

The fourth proportional to 186,676.05, 280,013.53 and 46,434.67 is: 69,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,676.05 : 280,013.53 = 46,434.67 : x
  2. Step 2: Convert to fraction form
    186,676.05/280,013.53 = 46,434.67/x
  3. Step 3: Cross multiply
    186,676.05x = 280,013.53 × 46,434.67
  4. Step 4: Simplify right side
    186,676.05x = 13,002,335,861.09
  5. Step 5: Solve for x
    x = 13,002,335,861.09/186,676.05
  6. Step 6: Final answer
    x = 69,651.87

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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.