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Finding the Fourth Proportional to 84,992.67, 117,284.90 and 49,180.14

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Solution

The fourth proportional to 84,992.67, 117,284.90 and 49,180.14 is: 67,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,992.67 : 117,284.90 = 49,180.14 : x
  2. Step 2: Convert to fraction form
    84,992.67/117,284.90 = 49,180.14/x
  3. Step 3: Cross multiply
    84,992.67x = 117,284.90 × 49,180.14
  4. Step 4: Simplify right side
    84,992.67x = 5,768,087,555.99
  5. Step 5: Solve for x
    x = 5,768,087,555.99/84,992.67
  6. Step 6: Final answer
    x = 67,865.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.