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Finding the Fourth Proportional to 234,585.69, 351,878.94 and 57,092.82

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Solution

The fourth proportional to 234,585.69, 351,878.94 and 57,092.82 is: 85,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,585.69 : 351,878.94 = 57,092.82 : x
  2. Step 2: Convert to fraction form
    234,585.69/351,878.94 = 57,092.82/x
  3. Step 3: Cross multiply
    234,585.69x = 351,878.94 × 57,092.82
  4. Step 4: Simplify right side
    234,585.69x = 20,089,760,983.21
  5. Step 5: Solve for x
    x = 20,089,760,983.21/234,585.69
  6. Step 6: Final answer
    x = 85,639.33

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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.