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Finding the Fourth Proportional to 165,915.80, 248,874.60 and 41,256.80

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Solution

The fourth proportional to 165,915.80, 248,874.60 and 41,256.80 is: 61,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,915.80 : 248,874.60 = 41,256.80 : x
  2. Step 2: Convert to fraction form
    165,915.80/248,874.60 = 41,256.80/x
  3. Step 3: Cross multiply
    165,915.80x = 248,874.60 × 41,256.80
  4. Step 4: Simplify right side
    165,915.80x = 10,267,769,597.28
  5. Step 5: Solve for x
    x = 10,267,769,597.28/165,915.80
  6. Step 6: Final answer
    x = 61,885.42

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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.