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Finding the Fourth Proportional to 273,315.60, 410,016.42 and 73,643.76

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Solution

The fourth proportional to 273,315.60, 410,016.42 and 73,643.76 is: 110,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,315.60 : 410,016.42 = 73,643.76 : x
  2. Step 2: Convert to fraction form
    273,315.60/410,016.42 = 73,643.76/x
  3. Step 3: Cross multiply
    273,315.60x = 410,016.42 × 73,643.76
  4. Step 4: Simplify right side
    273,315.60x = 30,195,150,830.54
  5. Step 5: Solve for x
    x = 30,195,150,830.54/273,315.60
  6. Step 6: Final answer
    x = 110,477.23

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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.