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Finding the Fourth Proportional to 96,191.44, 144,289.62 and 45,578.59

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Solution

The fourth proportional to 96,191.44, 144,289.62 and 45,578.59 is: 68,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,191.44 : 144,289.62 = 45,578.59 : x
  2. Step 2: Convert to fraction form
    96,191.44/144,289.62 = 45,578.59/x
  3. Step 3: Cross multiply
    96,191.44x = 144,289.62 × 45,578.59
  4. Step 4: Simplify right side
    96,191.44x = 6,576,517,431.24
  5. Step 5: Solve for x
    x = 6,576,517,431.24/96,191.44
  6. Step 6: Final answer
    x = 68,369.05

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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.