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Finding the Fourth Proportional to 165,915.66, 248,874.40 and 41,256.66

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Solution

The fourth proportional to 165,915.66, 248,874.40 and 41,256.66 is: 61,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,915.66 : 248,874.40 = 41,256.66 : x
  2. Step 2: Convert to fraction form
    165,915.66/248,874.40 = 41,256.66/x
  3. Step 3: Cross multiply
    165,915.66x = 248,874.40 × 41,256.66
  4. Step 4: Simplify right side
    165,915.66x = 10,267,726,503.50
  5. Step 5: Solve for x
    x = 10,267,726,503.50/165,915.66
  6. Step 6: Final answer
    x = 61,885.22

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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.