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Finding the Fourth Proportional to 344,715.07, 517,072.75 and 108,076.20

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Solution

The fourth proportional to 344,715.07, 517,072.75 and 108,076.20 is: 162,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,715.07 : 517,072.75 = 108,076.20 : x
  2. Step 2: Convert to fraction form
    344,715.07/517,072.75 = 108,076.20/x
  3. Step 3: Cross multiply
    344,715.07x = 517,072.75 × 108,076.20
  4. Step 4: Simplify right side
    344,715.07x = 55,883,256,785.96
  5. Step 5: Solve for x
    x = 55,883,256,785.96/344,715.07
  6. Step 6: Final answer
    x = 162,114.34

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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.