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Finding the Fourth Proportional to 341,426.82, 512,223.30 and 113,721.87

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Solution

The fourth proportional to 341,426.82, 512,223.30 and 113,721.87 is: 170,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,426.82 : 512,223.30 = 113,721.87 : x
  2. Step 2: Convert to fraction form
    341,426.82/512,223.30 = 113,721.87/x
  3. Step 3: Cross multiply
    341,426.82x = 512,223.30 × 113,721.87
  4. Step 4: Simplify right side
    341,426.82x = 58,250,991,533.57
  5. Step 5: Solve for x
    x = 58,250,991,533.57/341,426.82
  6. Step 6: Final answer
    x = 170,610.47

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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.