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Finding the Fourth Proportional to 264,420.74, 396,788.70 and 95,954.21

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Solution

The fourth proportional to 264,420.74, 396,788.70 and 95,954.21 is: 143,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,420.74 : 396,788.70 = 95,954.21 : x
  2. Step 2: Convert to fraction form
    264,420.74/396,788.70 = 95,954.21/x
  3. Step 3: Cross multiply
    264,420.74x = 396,788.70 × 95,954.21
  4. Step 4: Simplify right side
    264,420.74x = 38,073,546,245.43
  5. Step 5: Solve for x
    x = 38,073,546,245.43/264,420.74
  6. Step 6: Final answer
    x = 143,988.50

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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.