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Finding the Fourth Proportional to 234,878.87, 352,315.22 and 57,387.41

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Solution

The fourth proportional to 234,878.87, 352,315.22 and 57,387.41 is: 86,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,878.87 : 352,315.22 = 57,387.41 : x
  2. Step 2: Convert to fraction form
    234,878.87/352,315.22 = 57,387.41/x
  3. Step 3: Cross multiply
    234,878.87x = 352,315.22 × 57,387.41
  4. Step 4: Simplify right side
    234,878.87x = 20,218,459,556.63
  5. Step 5: Solve for x
    x = 20,218,459,556.63/234,878.87
  6. Step 6: Final answer
    x = 86,080.37

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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.