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Finding the Fourth Proportional to 186,660.25, 279,952.71 and 53,504.75

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Solution

The fourth proportional to 186,660.25, 279,952.71 and 53,504.75 is: 80,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,660.25 : 279,952.71 = 53,504.75 : x
  2. Step 2: Convert to fraction form
    186,660.25/279,952.71 = 53,504.75/x
  3. Step 3: Cross multiply
    186,660.25x = 279,952.71 × 53,504.75
  4. Step 4: Simplify right side
    186,660.25x = 14,978,800,259.61
  5. Step 5: Solve for x
    x = 14,978,800,259.61/186,660.25
  6. Step 6: Final answer
    x = 80,246.33

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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.