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Finding the Fourth Proportional to 295,776.95, 443,665.08 and 71,137.22

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Solution

The fourth proportional to 295,776.95, 443,665.08 and 71,137.22 is: 106,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,776.95 : 443,665.08 = 71,137.22 : x
  2. Step 2: Convert to fraction form
    295,776.95/443,665.08 = 71,137.22/x
  3. Step 3: Cross multiply
    295,776.95x = 443,665.08 × 71,137.22
  4. Step 4: Simplify right side
    295,776.95x = 31,561,098,183.95
  5. Step 5: Solve for x
    x = 31,561,098,183.95/295,776.95
  6. Step 6: Final answer
    x = 106,705.74

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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.