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Finding the Fourth Proportional to 168,915.88, 253,441.50 and 63,764.68

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Solution

The fourth proportional to 168,915.88, 253,441.50 and 63,764.68 is: 95,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,915.88 : 253,441.50 = 63,764.68 : x
  2. Step 2: Convert to fraction form
    168,915.88/253,441.50 = 63,764.68/x
  3. Step 3: Cross multiply
    168,915.88x = 253,441.50 × 63,764.68
  4. Step 4: Simplify right side
    168,915.88x = 16,160,616,146.22
  5. Step 5: Solve for x
    x = 16,160,616,146.22/168,915.88
  6. Step 6: Final answer
    x = 95,672.57

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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.