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Finding the Fourth Proportional to 188,335.33, 259,787.66 and 111,802.48

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Solution

The fourth proportional to 188,335.33, 259,787.66 and 111,802.48 is: 154,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,335.33 : 259,787.66 = 111,802.48 : x
  2. Step 2: Convert to fraction form
    188,335.33/259,787.66 = 111,802.48/x
  3. Step 3: Cross multiply
    188,335.33x = 259,787.66 × 111,802.48
  4. Step 4: Simplify right side
    188,335.33x = 29,044,903,452.92
  5. Step 5: Solve for x
    x = 29,044,903,452.92/188,335.33
  6. Step 6: Final answer
    x = 154,219.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.