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Finding the Fourth Proportional to 166,121.70, 248,885.55 and 101,087.70

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Solution

The fourth proportional to 166,121.70, 248,885.55 and 101,087.70 is: 151,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,121.70 : 248,885.55 = 101,087.70 : x
  2. Step 2: Convert to fraction form
    166,121.70/248,885.55 = 101,087.70/x
  3. Step 3: Cross multiply
    166,121.70x = 248,885.55 × 101,087.70
  4. Step 4: Simplify right side
    166,121.70x = 25,159,267,812.74
  5. Step 5: Solve for x
    x = 25,159,267,812.74/166,121.70
  6. Step 6: Final answer
    x = 151,450.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.