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Finding the Fourth Proportional to 273,556.56, 410,388.03 and 105,064.50

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Solution

The fourth proportional to 273,556.56, 410,388.03 and 105,064.50 is: 157,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,556.56 : 410,388.03 = 105,064.50 : x
  2. Step 2: Convert to fraction form
    273,556.56/410,388.03 = 105,064.50/x
  3. Step 3: Cross multiply
    273,556.56x = 410,388.03 × 105,064.50
  4. Step 4: Simplify right side
    273,556.56x = 43,117,213,177.94
  5. Step 5: Solve for x
    x = 43,117,213,177.94/273,556.56
  6. Step 6: Final answer
    x = 157,617.18

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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.