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Finding the Fourth Proportional to 67,166.40, 100,674.72 and 27,675.84

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Solution

The fourth proportional to 67,166.40, 100,674.72 and 27,675.84 is: 41,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,166.40 : 100,674.72 = 27,675.84 : x
  2. Step 2: Convert to fraction form
    67,166.40/100,674.72 = 27,675.84/x
  3. Step 3: Cross multiply
    67,166.40x = 100,674.72 × 27,675.84
  4. Step 4: Simplify right side
    67,166.40x = 2,786,257,442.76
  5. Step 5: Solve for x
    x = 2,786,257,442.76/67,166.40
  6. Step 6: Final answer
    x = 41,482.91

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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.