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Finding the Fourth Proportional to 192,540.67, 265,617.72 and 124,579.80

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Solution

The fourth proportional to 192,540.67, 265,617.72 and 124,579.80 is: 171,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,540.67 : 265,617.72 = 124,579.80 : x
  2. Step 2: Convert to fraction form
    192,540.67/265,617.72 = 124,579.80/x
  3. Step 3: Cross multiply
    192,540.67x = 265,617.72 × 124,579.80
  4. Step 4: Simplify right side
    192,540.67x = 33,090,601,417.42
  5. Step 5: Solve for x
    x = 33,090,601,417.42/192,540.67
  6. Step 6: Final answer
    x = 171,862.92

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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.