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Finding the Fourth Proportional to 166,719.65, 250,104.08 and 48,375.61

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Solution

The fourth proportional to 166,719.65, 250,104.08 and 48,375.61 is: 72,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,719.65 : 250,104.08 = 48,375.61 : x
  2. Step 2: Convert to fraction form
    166,719.65/250,104.08 = 48,375.61/x
  3. Step 3: Cross multiply
    166,719.65x = 250,104.08 × 48,375.61
  4. Step 4: Simplify right side
    166,719.65x = 12,098,935,941.09
  5. Step 5: Solve for x
    x = 12,098,935,941.09/166,719.65
  6. Step 6: Final answer
    x = 72,570.55

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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.