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Finding the Fourth Proportional to 295,393.68, 443,109.96 and 85,033.44

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Solution

The fourth proportional to 295,393.68, 443,109.96 and 85,033.44 is: 127,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,393.68 : 443,109.96 = 85,033.44 : x
  2. Step 2: Convert to fraction form
    295,393.68/443,109.96 = 85,033.44/x
  3. Step 3: Cross multiply
    295,393.68x = 443,109.96 × 85,033.44
  4. Step 4: Simplify right side
    295,393.68x = 37,679,164,197.06
  5. Step 5: Solve for x
    x = 37,679,164,197.06/295,393.68
  6. Step 6: Final answer
    x = 127,555.76

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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.