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Finding the Fourth Proportional to 74,191.76, 111,209.88 and 27,414.80

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Solution

The fourth proportional to 74,191.76, 111,209.88 and 27,414.80 is: 41,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,191.76 : 111,209.88 = 27,414.80 : x
  2. Step 2: Convert to fraction form
    74,191.76/111,209.88 = 27,414.80/x
  3. Step 3: Cross multiply
    74,191.76x = 111,209.88 × 27,414.80
  4. Step 4: Simplify right side
    74,191.76x = 3,048,796,618.22
  5. Step 5: Solve for x
    x = 3,048,796,618.22/74,191.76
  6. Step 6: Final answer
    x = 41,093.47

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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.