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Finding the Fourth Proportional to 264,644.88, 365,205.48 and 143,788.02

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Solution

The fourth proportional to 264,644.88, 365,205.48 and 143,788.02 is: 198,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,644.88 : 365,205.48 = 143,788.02 : x
  2. Step 2: Convert to fraction form
    264,644.88/365,205.48 = 143,788.02/x
  3. Step 3: Cross multiply
    264,644.88x = 365,205.48 × 143,788.02
  4. Step 4: Simplify right side
    264,644.88x = 52,512,172,862.35
  5. Step 5: Solve for x
    x = 52,512,172,862.35/264,644.88
  6. Step 6: Final answer
    x = 198,425.05

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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.