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Finding the Fourth Proportional to 108,805.33, 150,162.14 and 61,058.87

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Solution

The fourth proportional to 108,805.33, 150,162.14 and 61,058.87 is: 84,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,805.33 : 150,162.14 = 61,058.87 : x
  2. Step 2: Convert to fraction form
    108,805.33/150,162.14 = 61,058.87/x
  3. Step 3: Cross multiply
    108,805.33x = 150,162.14 × 61,058.87
  4. Step 4: Simplify right side
    108,805.33x = 9,168,729,987.02
  5. Step 5: Solve for x
    x = 9,168,729,987.02/108,805.33
  6. Step 6: Final answer
    x = 84,267.29

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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.