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Finding the Fourth Proportional to 108,804.90, 150,144.02 and 60,404

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Solution

The fourth proportional to 108,804.90, 150,144.02 and 60,404 is: 83,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804.90 : 150,144.02 = 60,404 : x
  2. Step 2: Convert to fraction form
    108,804.90/150,144.02 = 60,404/x
  3. Step 3: Cross multiply
    108,804.90x = 150,144.02 × 60,404
  4. Step 4: Simplify right side
    108,804.90x = 9,069,299,384.08
  5. Step 5: Solve for x
    x = 9,069,299,384.08/108,804.90
  6. Step 6: Final answer
    x = 83,353.78

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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.