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Finding the Fourth Proportional to 66,310.26, 99,466.45 and 36,914.94

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Solution

The fourth proportional to 66,310.26, 99,466.45 and 36,914.94 is: 55,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.26 : 99,466.45 = 36,914.94 : x
  2. Step 2: Convert to fraction form
    66,310.26/99,466.45 = 36,914.94/x
  3. Step 3: Cross multiply
    66,310.26x = 99,466.45 × 36,914.94
  4. Step 4: Simplify right side
    66,310.26x = 3,671,797,568.48
  5. Step 5: Solve for x
    x = 3,671,797,568.48/66,310.26
  6. Step 6: Final answer
    x = 55,372.99

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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.