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Finding the Fourth Proportional to 220,567.54, 330,884.12 and 102,250.84

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Solution

The fourth proportional to 220,567.54, 330,884.12 and 102,250.84 is: 153,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,567.54 : 330,884.12 = 102,250.84 : x
  2. Step 2: Convert to fraction form
    220,567.54/330,884.12 = 102,250.84/x
  3. Step 3: Cross multiply
    220,567.54x = 330,884.12 × 102,250.84
  4. Step 4: Simplify right side
    220,567.54x = 33,833,179,212.66
  5. Step 5: Solve for x
    x = 33,833,179,212.66/220,567.54
  6. Step 6: Final answer
    x = 153,391.47

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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.