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Finding the Fourth Proportional to 341,982.44, 512,949.36 and 105,300.44

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Solution

The fourth proportional to 341,982.44, 512,949.36 and 105,300.44 is: 157,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,982.44 : 512,949.36 = 105,300.44 : x
  2. Step 2: Convert to fraction form
    341,982.44/512,949.36 = 105,300.44/x
  3. Step 3: Cross multiply
    341,982.44x = 512,949.36 × 105,300.44
  4. Step 4: Simplify right side
    341,982.44x = 54,013,793,305.72
  5. Step 5: Solve for x
    x = 54,013,793,305.72/341,982.44
  6. Step 6: Final answer
    x = 157,943.18

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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.