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Finding the Fourth Proportional to 123,661.68, 170,467.08 and 96,757.48

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Solution

The fourth proportional to 123,661.68, 170,467.08 and 96,757.48 is: 133,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,661.68 : 170,467.08 = 96,757.48 : x
  2. Step 2: Convert to fraction form
    123,661.68/170,467.08 = 96,757.48/x
  3. Step 3: Cross multiply
    123,661.68x = 170,467.08 × 96,757.48
  4. Step 4: Simplify right side
    123,661.68x = 16,493,965,083.76
  5. Step 5: Solve for x
    x = 16,493,965,083.76/123,661.68
  6. Step 6: Final answer
    x = 133,379.76

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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.