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Finding the Fourth Proportional to 166,900.40, 248,861.86 and 148,354.64

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Solution

The fourth proportional to 166,900.40, 248,861.86 and 148,354.64 is: 221,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,900.40 : 248,861.86 = 148,354.64 : x
  2. Step 2: Convert to fraction form
    166,900.40/248,861.86 = 148,354.64/x
  3. Step 3: Cross multiply
    166,900.40x = 248,861.86 × 148,354.64
  4. Step 4: Simplify right side
    166,900.40x = 36,919,811,650.03
  5. Step 5: Solve for x
    x = 36,919,811,650.03/166,900.40
  6. Step 6: Final answer
    x = 221,208.65

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.