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Finding the Fourth Proportional to 234,599.57, 351,899.42 and 84,836.51

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Solution

The fourth proportional to 234,599.57, 351,899.42 and 84,836.51 is: 127,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,599.57 : 351,899.42 = 84,836.51 : x
  2. Step 2: Convert to fraction form
    234,599.57/351,899.42 = 84,836.51/x
  3. Step 3: Cross multiply
    234,599.57x = 351,899.42 × 84,836.51
  4. Step 4: Simplify right side
    234,599.57x = 29,853,916,480.14
  5. Step 5: Solve for x
    x = 29,853,916,480.14/234,599.57
  6. Step 6: Final answer
    x = 127,254.78

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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.