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Finding the Fourth Proportional to 183,480.90, 275,221.35 and 123,693.79

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Solution

The fourth proportional to 183,480.90, 275,221.35 and 123,693.79 is: 185,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,480.90 : 275,221.35 = 123,693.79 : x
  2. Step 2: Convert to fraction form
    183,480.90/275,221.35 = 123,693.79/x
  3. Step 3: Cross multiply
    183,480.90x = 275,221.35 × 123,693.79
  4. Step 4: Simplify right side
    183,480.90x = 34,043,171,182.36
  5. Step 5: Solve for x
    x = 34,043,171,182.36/183,480.90
  6. Step 6: Final answer
    x = 185,540.68

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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.