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Finding the Fourth Proportional to 178,734.44, 268,101.50 and 45,614.69

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Solution

The fourth proportional to 178,734.44, 268,101.50 and 45,614.69 is: 68,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,734.44 : 268,101.50 = 45,614.69 : x
  2. Step 2: Convert to fraction form
    178,734.44/268,101.50 = 45,614.69/x
  3. Step 3: Cross multiply
    178,734.44x = 268,101.50 × 45,614.69
  4. Step 4: Simplify right side
    178,734.44x = 12,229,365,242.45
  5. Step 5: Solve for x
    x = 12,229,365,242.45/178,734.44
  6. Step 6: Final answer
    x = 68,421.99

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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.