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Finding the Fourth Proportional to 234,535.69, 351,803.54 and 57,042.82

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Solution

The fourth proportional to 234,535.69, 351,803.54 and 57,042.82 is: 85,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,535.69 : 351,803.54 = 57,042.82 : x
  2. Step 2: Convert to fraction form
    234,535.69/351,803.54 = 57,042.82/x
  3. Step 3: Cross multiply
    234,535.69x = 351,803.54 × 57,042.82
  4. Step 4: Simplify right side
    234,535.69x = 20,067,866,007.58
  5. Step 5: Solve for x
    x = 20,067,866,007.58/234,535.69
  6. Step 6: Final answer
    x = 85,564.23

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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.