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Finding the Fourth Proportional to 295,471.23, 443,142.03 and 85,063.47

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Solution

The fourth proportional to 295,471.23, 443,142.03 and 85,063.47 is: 127,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,471.23 : 443,142.03 = 85,063.47 : x
  2. Step 2: Convert to fraction form
    295,471.23/443,142.03 = 85,063.47/x
  3. Step 3: Cross multiply
    295,471.23x = 443,142.03 × 85,063.47
  4. Step 4: Simplify right side
    295,471.23x = 37,695,198,774.64
  5. Step 5: Solve for x
    x = 37,695,198,774.64/295,471.23
  6. Step 6: Final answer
    x = 127,576.55

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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.