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Finding the Fourth Proportional to 108,143.88, 162,203.04 and 33,263.88

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Solution

The fourth proportional to 108,143.88, 162,203.04 and 33,263.88 is: 49,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,143.88 : 162,203.04 = 33,263.88 : x
  2. Step 2: Convert to fraction form
    108,143.88/162,203.04 = 33,263.88/x
  3. Step 3: Cross multiply
    108,143.88x = 162,203.04 × 33,263.88
  4. Step 4: Simplify right side
    108,143.88x = 5,395,502,458.20
  5. Step 5: Solve for x
    x = 5,395,502,458.20/108,143.88
  6. Step 6: Final answer
    x = 49,891.89

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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.