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Finding the Fourth Proportional to 85,751, 118,336.42 and 48,025.26

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Solution

The fourth proportional to 85,751, 118,336.42 and 48,025.26 is: 66,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,751 : 118,336.42 = 48,025.26 : x
  2. Step 2: Convert to fraction form
    85,751/118,336.42 = 48,025.26/x
  3. Step 3: Cross multiply
    85,751x = 118,336.42 × 48,025.26
  4. Step 4: Simplify right side
    85,751x = 5,683,137,337.97
  5. Step 5: Solve for x
    x = 5,683,137,337.97/85,751
  6. Step 6: Final answer
    x = 66,274.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.