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Finding the Fourth Proportional to 73,268.74, 109,902.84 and 26,510.68

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Solution

The fourth proportional to 73,268.74, 109,902.84 and 26,510.68 is: 39,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,268.74 : 109,902.84 = 26,510.68 : x
  2. Step 2: Convert to fraction form
    73,268.74/109,902.84 = 26,510.68/x
  3. Step 3: Cross multiply
    73,268.74x = 109,902.84 × 26,510.68
  4. Step 4: Simplify right side
    73,268.74x = 2,913,599,022.33
  5. Step 5: Solve for x
    x = 2,913,599,022.33/73,268.74
  6. Step 6: Final answer
    x = 39,765.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.