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Finding the Fourth Proportional to 295,738.71, 443,644.91 and 115,800.90

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Solution

The fourth proportional to 295,738.71, 443,644.91 and 115,800.90 is: 173,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,738.71 : 443,644.91 = 115,800.90 : x
  2. Step 2: Convert to fraction form
    295,738.71/443,644.91 = 115,800.90/x
  3. Step 3: Cross multiply
    295,738.71x = 443,644.91 × 115,800.90
  4. Step 4: Simplify right side
    295,738.71x = 51,374,479,858.42
  5. Step 5: Solve for x
    x = 51,374,479,858.42/295,738.71
  6. Step 6: Final answer
    x = 173,715.78

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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.