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Finding the Fourth Proportional to 108,736.94, 150,042.30 and 60,987.44

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Solution

The fourth proportional to 108,736.94, 150,042.30 and 60,987.44 is: 84,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,736.94 : 150,042.30 = 60,987.44 : x
  2. Step 2: Convert to fraction form
    108,736.94/150,042.30 = 60,987.44/x
  3. Step 3: Cross multiply
    108,736.94x = 150,042.30 × 60,987.44
  4. Step 4: Simplify right side
    108,736.94x = 9,150,695,768.71
  5. Step 5: Solve for x
    x = 9,150,695,768.71/108,736.94
  6. Step 6: Final answer
    x = 84,154.44

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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.