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Finding the Fourth Proportional to 77,562.68, 116,387.92 and 33,185.48

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Solution

The fourth proportional to 77,562.68, 116,387.92 and 33,185.48 is: 49,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,562.68 : 116,387.92 = 33,185.48 : x
  2. Step 2: Convert to fraction form
    77,562.68/116,387.92 = 33,185.48/x
  3. Step 3: Cross multiply
    77,562.68x = 116,387.92 × 33,185.48
  4. Step 4: Simplify right side
    77,562.68x = 3,862,388,991.40
  5. Step 5: Solve for x
    x = 3,862,388,991.40/77,562.68
  6. Step 6: Final answer
    x = 49,797.00

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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.