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Finding the Fourth Proportional to 164,676.60, 227,258.12 and 100,123.64

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Solution

The fourth proportional to 164,676.60, 227,258.12 and 100,123.64 is: 138,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,676.60 : 227,258.12 = 100,123.64 : x
  2. Step 2: Convert to fraction form
    164,676.60/227,258.12 = 100,123.64/x
  3. Step 3: Cross multiply
    164,676.60x = 227,258.12 × 100,123.64
  4. Step 4: Simplify right side
    164,676.60x = 22,753,910,193.96
  5. Step 5: Solve for x
    x = 22,753,910,193.96/164,676.60
  6. Step 6: Final answer
    x = 138,173.31

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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.