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Finding the Fourth Proportional to 166,817.40, 250,230.21 and 48,489.76

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Solution

The fourth proportional to 166,817.40, 250,230.21 and 48,489.76 is: 72,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,817.40 : 250,230.21 = 48,489.76 : x
  2. Step 2: Convert to fraction form
    166,817.40/250,230.21 = 48,489.76/x
  3. Step 3: Cross multiply
    166,817.40x = 250,230.21 × 48,489.76
  4. Step 4: Simplify right side
    166,817.40x = 12,133,602,827.65
  5. Step 5: Solve for x
    x = 12,133,602,827.65/166,817.40
  6. Step 6: Final answer
    x = 72,735.83

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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.