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Finding the Fourth Proportional to 166,800.60, 250,233.30 and 72,030.60

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Solution

The fourth proportional to 166,800.60, 250,233.30 and 72,030.60 is: 108,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,800.60 : 250,233.30 = 72,030.60 : x
  2. Step 2: Convert to fraction form
    166,800.60/250,233.30 = 72,030.60/x
  3. Step 3: Cross multiply
    166,800.60x = 250,233.30 × 72,030.60
  4. Step 4: Simplify right side
    166,800.60x = 18,024,454,738.98
  5. Step 5: Solve for x
    x = 18,024,454,738.98/166,800.60
  6. Step 6: Final answer
    x = 108,059.89

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Why These Related Problems?

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