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Finding the Fourth Proportional to 225,938.62, 338,671.41 and 76,127.14

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Solution

The fourth proportional to 225,938.62, 338,671.41 and 76,127.14 is: 114,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,938.62 : 338,671.41 = 76,127.14 : x
  2. Step 2: Convert to fraction form
    225,938.62/338,671.41 = 76,127.14/x
  3. Step 3: Cross multiply
    225,938.62x = 338,671.41 × 76,127.14
  4. Step 4: Simplify right side
    225,938.62x = 25,782,085,843.07
  5. Step 5: Solve for x
    x = 25,782,085,843.07/225,938.62
  6. Step 6: Final answer
    x = 114,111.02

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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.