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Finding the Fourth Proportional to 220,548.75, 330,823.17 and 95,889.75

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Solution

The fourth proportional to 220,548.75, 330,823.17 and 95,889.75 is: 143,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,548.75 : 330,823.17 = 95,889.75 : x
  2. Step 2: Convert to fraction form
    220,548.75/330,823.17 = 95,889.75/x
  3. Step 3: Cross multiply
    220,548.75x = 330,823.17 × 95,889.75
  4. Step 4: Simplify right side
    220,548.75x = 31,722,551,065.51
  5. Step 5: Solve for x
    x = 31,722,551,065.51/220,548.75
  6. Step 6: Final answer
    x = 143,834.64

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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.