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Finding the Fourth Proportional to 66,508.50, 99,766.98 and 27,044.04

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Solution

The fourth proportional to 66,508.50, 99,766.98 and 27,044.04 is: 40,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508.50 : 99,766.98 = 27,044.04 : x
  2. Step 2: Convert to fraction form
    66,508.50/99,766.98 = 27,044.04/x
  3. Step 3: Cross multiply
    66,508.50x = 99,766.98 × 27,044.04
  4. Step 4: Simplify right side
    66,508.50x = 2,698,102,197.80
  5. Step 5: Solve for x
    x = 2,698,102,197.80/66,508.50
  6. Step 6: Final answer
    x = 40,567.78

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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.