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Finding the Fourth Proportional to 264,333.31, 364,770.20 and 143,472.03

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Solution

The fourth proportional to 264,333.31, 364,770.20 and 143,472.03 is: 197,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,333.31 : 364,770.20 = 143,472.03 : x
  2. Step 2: Convert to fraction form
    264,333.31/364,770.20 = 143,472.03/x
  3. Step 3: Cross multiply
    264,333.31x = 364,770.20 × 143,472.03
  4. Step 4: Simplify right side
    264,333.31x = 52,334,320,068.30
  5. Step 5: Solve for x
    x = 52,334,320,068.30/264,333.31
  6. Step 6: Final answer
    x = 197,986.10

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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.