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Finding the Fourth Proportional to 234,694.89, 351,901.77 and 74,701.71

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Solution

The fourth proportional to 234,694.89, 351,901.77 and 74,701.71 is: 112,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,694.89 : 351,901.77 = 74,701.71 : x
  2. Step 2: Convert to fraction form
    234,694.89/351,901.77 = 74,701.71/x
  3. Step 3: Cross multiply
    234,694.89x = 351,901.77 × 74,701.71
  4. Step 4: Simplify right side
    234,694.89x = 26,287,663,971.03
  5. Step 5: Solve for x
    x = 26,287,663,971.03/234,694.89
  6. Step 6: Final answer
    x = 112,007.82

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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.