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Finding the Fourth Proportional to 207,654.88, 286,520.88 and 132,175.84

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Solution

The fourth proportional to 207,654.88, 286,520.88 and 132,175.84 is: 182,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,654.88 : 286,520.88 = 132,175.84 : x
  2. Step 2: Convert to fraction form
    207,654.88/286,520.88 = 132,175.84/x
  3. Step 3: Cross multiply
    207,654.88x = 286,520.88 × 132,175.84
  4. Step 4: Simplify right side
    207,654.88x = 37,871,137,991.54
  5. Step 5: Solve for x
    x = 37,871,137,991.54/207,654.88
  6. Step 6: Final answer
    x = 182,375.38

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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.