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Finding the Fourth Proportional to 234,898.80, 352,340.28 and 57,406.56

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Solution

The fourth proportional to 234,898.80, 352,340.28 and 57,406.56 is: 86,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,898.80 : 352,340.28 = 57,406.56 : x
  2. Step 2: Convert to fraction form
    234,898.80/352,340.28 = 57,406.56/x
  3. Step 3: Cross multiply
    234,898.80x = 352,340.28 × 57,406.56
  4. Step 4: Simplify right side
    234,898.80x = 20,226,643,424.24
  5. Step 5: Solve for x
    x = 20,226,643,424.24/234,898.80
  6. Step 6: Final answer
    x = 86,107.90

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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.