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Finding the Fourth Proportional to 165,915.77, 248,874.65 and 41,256.77

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Solution

The fourth proportional to 165,915.77, 248,874.65 and 41,256.77 is: 61,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,915.77 : 248,874.65 = 41,256.77 : x
  2. Step 2: Convert to fraction form
    165,915.77/248,874.65 = 41,256.77/x
  3. Step 3: Cross multiply
    165,915.77x = 248,874.65 × 41,256.77
  4. Step 4: Simplify right side
    165,915.77x = 10,267,763,987.60
  5. Step 5: Solve for x
    x = 10,267,763,987.60/165,915.77
  6. Step 6: Final answer
    x = 61,885.40

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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.