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Finding the Fourth Proportional to 221,955.71, 333,170.49 and 95,658.28

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Solution

The fourth proportional to 221,955.71, 333,170.49 and 95,658.28 is: 143,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,955.71 : 333,170.49 = 95,658.28 : x
  2. Step 2: Convert to fraction form
    221,955.71/333,170.49 = 95,658.28/x
  3. Step 3: Cross multiply
    221,955.71x = 333,170.49 × 95,658.28
  4. Step 4: Simplify right side
    221,955.71x = 31,870,515,661.44
  5. Step 5: Solve for x
    x = 31,870,515,661.44/221,955.71
  6. Step 6: Final answer
    x = 143,589.53

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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.