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Finding the Fourth Proportional to 264,771.98, 365,387.78 and 143,913.54

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Solution

The fourth proportional to 264,771.98, 365,387.78 and 143,913.54 is: 198,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,771.98 : 365,387.78 = 143,913.54 : x
  2. Step 2: Convert to fraction form
    264,771.98/365,387.78 = 143,913.54/x
  3. Step 3: Cross multiply
    264,771.98x = 365,387.78 × 143,913.54
  4. Step 4: Simplify right side
    264,771.98x = 52,584,248,892.54
  5. Step 5: Solve for x
    x = 52,584,248,892.54/264,771.98
  6. Step 6: Final answer
    x = 198,602.02

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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.