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Finding the Fourth Proportional to 200,802.88, 301,025.34 and 76,231.36

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Solution

The fourth proportional to 200,802.88, 301,025.34 and 76,231.36 is: 114,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,802.88 : 301,025.34 = 76,231.36 : x
  2. Step 2: Convert to fraction form
    200,802.88/301,025.34 = 76,231.36/x
  3. Step 3: Cross multiply
    200,802.88x = 301,025.34 × 76,231.36
  4. Step 4: Simplify right side
    200,802.88x = 22,947,571,062.66
  5. Step 5: Solve for x
    x = 22,947,571,062.66/200,802.88
  6. Step 6: Final answer
    x = 114,279.09

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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.