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Finding the Fourth Proportional to 262,347.44, 393,542.80 and 84,882.96

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Solution

The fourth proportional to 262,347.44, 393,542.80 and 84,882.96 is: 127,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,347.44 : 393,542.80 = 84,882.96 : x
  2. Step 2: Convert to fraction form
    262,347.44/393,542.80 = 84,882.96/x
  3. Step 3: Cross multiply
    262,347.44x = 393,542.80 × 84,882.96
  4. Step 4: Simplify right side
    262,347.44x = 33,405,077,750.69
  5. Step 5: Solve for x
    x = 33,405,077,750.69/262,347.44
  6. Step 6: Final answer
    x = 127,331.44

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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.