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Finding the Fourth Proportional to 295,857.20, 443,800.20 and 82,624.88

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Solution

The fourth proportional to 295,857.20, 443,800.20 and 82,624.88 is: 123,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,857.20 : 443,800.20 = 82,624.88 : x
  2. Step 2: Convert to fraction form
    295,857.20/443,800.20 = 82,624.88/x
  3. Step 3: Cross multiply
    295,857.20x = 443,800.20 × 82,624.88
  4. Step 4: Simplify right side
    295,857.20x = 36,668,938,268.98
  5. Step 5: Solve for x
    x = 36,668,938,268.98/295,857.20
  6. Step 6: Final answer
    x = 123,941.34

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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.