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Finding the Fourth Proportional to 234,882.63, 352,336.23 and 66,415.28

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Solution

The fourth proportional to 234,882.63, 352,336.23 and 66,415.28 is: 99,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,882.63 : 352,336.23 = 66,415.28 : x
  2. Step 2: Convert to fraction form
    234,882.63/352,336.23 = 66,415.28/x
  3. Step 3: Cross multiply
    234,882.63x = 352,336.23 × 66,415.28
  4. Step 4: Simplify right side
    234,882.63x = 23,400,507,607.91
  5. Step 5: Solve for x
    x = 23,400,507,607.91/234,882.63
  6. Step 6: Final answer
    x = 99,626.39

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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.