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Finding the Fourth Proportional to 317,126.54, 475,759.80 and 92,504.56

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Solution

The fourth proportional to 317,126.54, 475,759.80 and 92,504.56 is: 138,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,126.54 : 475,759.80 = 92,504.56 : x
  2. Step 2: Convert to fraction form
    317,126.54/475,759.80 = 92,504.56/x
  3. Step 3: Cross multiply
    317,126.54x = 475,759.80 × 92,504.56
  4. Step 4: Simplify right side
    317,126.54x = 44,009,950,964.69
  5. Step 5: Solve for x
    x = 44,009,950,964.69/317,126.54
  6. Step 6: Final answer
    x = 138,777.26

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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.