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Finding the Fourth Proportional to 72,873.54, 100,565.82 and 41,042.97

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Solution

The fourth proportional to 72,873.54, 100,565.82 and 41,042.97 is: 56,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,873.54 : 100,565.82 = 41,042.97 : x
  2. Step 2: Convert to fraction form
    72,873.54/100,565.82 = 41,042.97/x
  3. Step 3: Cross multiply
    72,873.54x = 100,565.82 × 41,042.97
  4. Step 4: Simplify right side
    72,873.54x = 4,127,519,933.29
  5. Step 5: Solve for x
    x = 4,127,519,933.29/72,873.54
  6. Step 6: Final answer
    x = 56,639.49

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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.