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Finding the Fourth Proportional to 273,607.68, 410,454.72 and 105,121.28

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Solution

The fourth proportional to 273,607.68, 410,454.72 and 105,121.28 is: 157,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,607.68 : 410,454.72 = 105,121.28 : x
  2. Step 2: Convert to fraction form
    273,607.68/410,454.72 = 105,121.28/x
  3. Step 3: Cross multiply
    273,607.68x = 410,454.72 × 105,121.28
  4. Step 4: Simplify right side
    273,607.68x = 43,147,525,548.44
  5. Step 5: Solve for x
    x = 43,147,525,548.44/273,607.68
  6. Step 6: Final answer
    x = 157,698.52

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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.