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Finding the Fourth Proportional to 273,733.71, 410,615.15 and 86,759.79

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Solution

The fourth proportional to 273,733.71, 410,615.15 and 86,759.79 is: 130,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,733.71 : 410,615.15 = 86,759.79 : x
  2. Step 2: Convert to fraction form
    273,733.71/410,615.15 = 86,759.79/x
  3. Step 3: Cross multiply
    273,733.71x = 410,615.15 × 86,759.79
  4. Step 4: Simplify right side
    273,733.71x = 35,624,883,751.02
  5. Step 5: Solve for x
    x = 35,624,883,751.02/273,733.71
  6. Step 6: Final answer
    x = 130,144.31

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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.