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Finding the Fourth Proportional to 178,163.62, 245,865.39 and 96,491.63

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Solution

The fourth proportional to 178,163.62, 245,865.39 and 96,491.63 is: 133,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,163.62 : 245,865.39 = 96,491.63 : x
  2. Step 2: Convert to fraction form
    178,163.62/245,865.39 = 96,491.63/x
  3. Step 3: Cross multiply
    178,163.62x = 245,865.39 × 96,491.63
  4. Step 4: Simplify right side
    178,163.62x = 23,723,952,241.69
  5. Step 5: Solve for x
    x = 23,723,952,241.69/178,163.62
  6. Step 6: Final answer
    x = 133,158.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.