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Finding the Fourth Proportional to 166,805.68, 250,234.08 and 56,023.60

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Solution

The fourth proportional to 166,805.68, 250,234.08 and 56,023.60 is: 84,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,805.68 : 250,234.08 = 56,023.60 : x
  2. Step 2: Convert to fraction form
    166,805.68/250,234.08 = 56,023.60/x
  3. Step 3: Cross multiply
    166,805.68x = 250,234.08 × 56,023.60
  4. Step 4: Simplify right side
    166,805.68x = 14,019,014,004.29
  5. Step 5: Solve for x
    x = 14,019,014,004.29/166,805.68
  6. Step 6: Final answer
    x = 84,043.98

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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.