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Finding the Fourth Proportional to 96,615.89, 144,694.73 and 76,560.90

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Solution

The fourth proportional to 96,615.89, 144,694.73 and 76,560.90 is: 114,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,615.89 : 144,694.73 = 76,560.90 : x
  2. Step 2: Convert to fraction form
    96,615.89/144,694.73 = 76,560.90/x
  3. Step 3: Cross multiply
    96,615.89x = 144,694.73 × 76,560.90
  4. Step 4: Simplify right side
    96,615.89x = 11,077,958,754.06
  5. Step 5: Solve for x
    x = 11,077,958,754.06/96,615.89
  6. Step 6: Final answer
    x = 114,659.80

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1.5x scale

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.