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Finding the Fourth Proportional to 179,955.69, 269,699.37 and 73,215.21

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Solution

The fourth proportional to 179,955.69, 269,699.37 and 73,215.21 is: 109,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,955.69 : 269,699.37 = 73,215.21 : x
  2. Step 2: Convert to fraction form
    179,955.69/269,699.37 = 73,215.21/x
  3. Step 3: Cross multiply
    179,955.69x = 269,699.37 × 73,215.21
  4. Step 4: Simplify right side
    179,955.69x = 19,746,096,011.42
  5. Step 5: Solve for x
    x = 19,746,096,011.42/179,955.69
  6. Step 6: Final answer
    x = 109,727.54

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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.