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Finding the Fourth Proportional to 264,720.90, 396,935.55 and 106,770.90

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Solution

The fourth proportional to 264,720.90, 396,935.55 and 106,770.90 is: 160,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,720.90 : 396,935.55 = 106,770.90 : x
  2. Step 2: Convert to fraction form
    264,720.90/396,935.55 = 106,770.90/x
  3. Step 3: Cross multiply
    264,720.90x = 396,935.55 × 106,770.90
  4. Step 4: Simplify right side
    264,720.90x = 42,381,165,915.50
  5. Step 5: Solve for x
    x = 42,381,165,915.50/264,720.90
  6. Step 6: Final answer
    x = 160,097.54

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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.