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Finding the Fourth Proportional to 108,573.54, 149,819.39 and 63,242.04

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Solution

The fourth proportional to 108,573.54, 149,819.39 and 63,242.04 is: 87,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,573.54 : 149,819.39 = 63,242.04 : x
  2. Step 2: Convert to fraction form
    108,573.54/149,819.39 = 63,242.04/x
  3. Step 3: Cross multiply
    108,573.54x = 149,819.39 × 63,242.04
  4. Step 4: Simplify right side
    108,573.54x = 9,474,883,538.95
  5. Step 5: Solve for x
    x = 9,474,883,538.95/108,573.54
  6. Step 6: Final answer
    x = 87,266.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.