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Finding the Fourth Proportional to 264,420.48, 396,788.31 and 95,953.94

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Solution

The fourth proportional to 264,420.48, 396,788.31 and 95,953.94 is: 143,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,420.48 : 396,788.31 = 95,953.94 : x
  2. Step 2: Convert to fraction form
    264,420.48/396,788.31 = 95,953.94/x
  3. Step 3: Cross multiply
    264,420.48x = 396,788.31 × 95,953.94
  4. Step 4: Simplify right side
    264,420.48x = 38,073,401,690.44
  5. Step 5: Solve for x
    x = 38,073,401,690.44/264,420.48
  6. Step 6: Final answer
    x = 143,988.10

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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.