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Finding the Fourth Proportional to 108,992.04, 150,423.11 and 61,245.39

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Solution

The fourth proportional to 108,992.04, 150,423.11 and 61,245.39 is: 84,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,992.04 : 150,423.11 = 61,245.39 : x
  2. Step 2: Convert to fraction form
    108,992.04/150,423.11 = 61,245.39/x
  3. Step 3: Cross multiply
    108,992.04x = 150,423.11 × 61,245.39
  4. Step 4: Simplify right side
    108,992.04x = 9,212,722,101.43
  5. Step 5: Solve for x
    x = 9,212,722,101.43/108,992.04
  6. Step 6: Final answer
    x = 84,526.56

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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.