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Finding the Fourth Proportional to 273,359.65, 409,992.73 and 73,633.32

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Solution

The fourth proportional to 273,359.65, 409,992.73 and 73,633.32 is: 110,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,359.65 : 409,992.73 = 73,633.32 : x
  2. Step 2: Convert to fraction form
    273,359.65/409,992.73 = 73,633.32/x
  3. Step 3: Cross multiply
    273,359.65x = 409,992.73 × 73,633.32
  4. Step 4: Simplify right side
    273,359.65x = 30,189,127,084.24
  5. Step 5: Solve for x
    x = 30,189,127,084.24/273,359.65
  6. Step 6: Final answer
    x = 110,437.39

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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.