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Finding the Fourth Proportional to 166,676.64, 230,019.27 and 91,225.14

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Solution

The fourth proportional to 166,676.64, 230,019.27 and 91,225.14 is: 125,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,676.64 : 230,019.27 = 91,225.14 : x
  2. Step 2: Convert to fraction form
    166,676.64/230,019.27 = 91,225.14/x
  3. Step 3: Cross multiply
    166,676.64x = 230,019.27 × 91,225.14
  4. Step 4: Simplify right side
    166,676.64x = 20,983,540,108.45
  5. Step 5: Solve for x
    x = 20,983,540,108.45/166,676.64
  6. Step 6: Final answer
    x = 125,893.71

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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.