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Finding the Fourth Proportional to 166,925.61, 250,399.89 and 67,085.89

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Solution

The fourth proportional to 166,925.61, 250,399.89 and 67,085.89 is: 100,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,925.61 : 250,399.89 = 67,085.89 : x
  2. Step 2: Convert to fraction form
    166,925.61/250,399.89 = 67,085.89/x
  3. Step 3: Cross multiply
    166,925.61x = 250,399.89 × 67,085.89
  4. Step 4: Simplify right side
    166,925.61x = 16,798,298,850.55
  5. Step 5: Solve for x
    x = 16,798,298,850.55/166,925.61
  6. Step 6: Final answer
    x = 100,633.44

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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.