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Finding the Fourth Proportional to 173,765.54, 239,725.17 and 105,727.97

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Solution

The fourth proportional to 173,765.54, 239,725.17 and 105,727.97 is: 145,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,765.54 : 239,725.17 = 105,727.97 : x
  2. Step 2: Convert to fraction form
    173,765.54/239,725.17 = 105,727.97/x
  3. Step 3: Cross multiply
    173,765.54x = 239,725.17 × 105,727.97
  4. Step 4: Simplify right side
    173,765.54x = 25,345,655,582.00
  5. Step 5: Solve for x
    x = 25,345,655,582.00/173,765.54
  6. Step 6: Final answer
    x = 145,861.23

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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.