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Finding the Fourth Proportional to 233,179.20, 349,768.80 and 220,057.20

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Solution

The fourth proportional to 233,179.20, 349,768.80 and 220,057.20 is: 330,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,179.20 : 349,768.80 = 220,057.20 : x
  2. Step 2: Convert to fraction form
    233,179.20/349,768.80 = 220,057.20/x
  3. Step 3: Cross multiply
    233,179.20x = 349,768.80 × 220,057.20
  4. Step 4: Simplify right side
    233,179.20x = 76,969,142,775.36
  5. Step 5: Solve for x
    x = 76,969,142,775.36/233,179.20
  6. Step 6: Final answer
    x = 330,085.80

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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.