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Finding the Fourth Proportional to 234,411.51, 351,617.26 and 56,917.32

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Solution

The fourth proportional to 234,411.51, 351,617.26 and 56,917.32 is: 85,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,411.51 : 351,617.26 = 56,917.32 : x
  2. Step 2: Convert to fraction form
    234,411.51/351,617.26 = 56,917.32/x
  3. Step 3: Cross multiply
    234,411.51x = 351,617.26 × 56,917.32
  4. Step 4: Simplify right side
    234,411.51x = 20,013,112,104.94
  5. Step 5: Solve for x
    x = 20,013,112,104.94/234,411.51
  6. Step 6: Final answer
    x = 85,375.98

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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.