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Finding the Fourth Proportional to 49,453.35, 74,171.88 and 16,172.88

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Solution

The fourth proportional to 49,453.35, 74,171.88 and 16,172.88 is: 24,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,453.35 : 74,171.88 = 16,172.88 : x
  2. Step 2: Convert to fraction form
    49,453.35/74,171.88 = 16,172.88/x
  3. Step 3: Cross multiply
    49,453.35x = 74,171.88 × 16,172.88
  4. Step 4: Simplify right side
    49,453.35x = 1,199,572,914.61
  5. Step 5: Solve for x
    x = 1,199,572,914.61/49,453.35
  6. Step 6: Final answer
    x = 24,256.66

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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.