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Finding the Fourth Proportional to 73,809.81, 110,687.54 and 26,412.05

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Solution

The fourth proportional to 73,809.81, 110,687.54 and 26,412.05 is: 39,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809.81 : 110,687.54 = 26,412.05 : x
  2. Step 2: Convert to fraction form
    73,809.81/110,687.54 = 26,412.05/x
  3. Step 3: Cross multiply
    73,809.81x = 110,687.54 × 26,412.05
  4. Step 4: Simplify right side
    73,809.81x = 2,923,484,155.36
  5. Step 5: Solve for x
    x = 2,923,484,155.36/73,809.81
  6. Step 6: Final answer
    x = 39,608.34

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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.