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Finding the Fourth Proportional to 264,851.21, 365,492.85 and 143,992.49

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Solution

The fourth proportional to 264,851.21, 365,492.85 and 143,992.49 is: 198,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,851.21 : 365,492.85 = 143,992.49 : x
  2. Step 2: Convert to fraction form
    264,851.21/365,492.85 = 143,992.49/x
  3. Step 3: Cross multiply
    264,851.21x = 365,492.85 × 143,992.49
  4. Step 4: Simplify right side
    264,851.21x = 52,628,223,915.00
  5. Step 5: Solve for x
    x = 52,628,223,915.00/264,851.21
  6. Step 6: Final answer
    x = 198,708.64

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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.