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Finding the Fourth Proportional to 344,745.66, 517,118.49 and 108,107.40

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Solution

The fourth proportional to 344,745.66, 517,118.49 and 108,107.40 is: 162,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,745.66 : 517,118.49 = 108,107.40 : x
  2. Step 2: Convert to fraction form
    344,745.66/517,118.49 = 108,107.40/x
  3. Step 3: Cross multiply
    344,745.66x = 517,118.49 × 108,107.40
  4. Step 4: Simplify right side
    344,745.66x = 55,904,335,445.83
  5. Step 5: Solve for x
    x = 55,904,335,445.83/344,745.66
  6. Step 6: Final answer
    x = 162,161.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.