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Finding the Fourth Proportional to 108,745.08, 150,058.14 and 60,989.22

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Solution

The fourth proportional to 108,745.08, 150,058.14 and 60,989.22 is: 84,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,745.08 : 150,058.14 = 60,989.22 : x
  2. Step 2: Convert to fraction form
    108,745.08/150,058.14 = 60,989.22/x
  3. Step 3: Cross multiply
    108,745.08x = 150,058.14 × 60,989.22
  4. Step 4: Simplify right side
    108,745.08x = 9,151,928,913.25
  5. Step 5: Solve for x
    x = 9,151,928,913.25/108,745.08
  6. Step 6: Final answer
    x = 84,159.48

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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.