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Finding the Fourth Proportional to 178,818.60, 268,227.90 and 95,874.60

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Solution

The fourth proportional to 178,818.60, 268,227.90 and 95,874.60 is: 143,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,818.60 : 268,227.90 = 95,874.60 : x
  2. Step 2: Convert to fraction form
    178,818.60/268,227.90 = 95,874.60/x
  3. Step 3: Cross multiply
    178,818.60x = 268,227.90 × 95,874.60
  4. Step 4: Simplify right side
    178,818.60x = 25,716,242,621.34
  5. Step 5: Solve for x
    x = 25,716,242,621.34/178,818.60
  6. Step 6: Final answer
    x = 143,811.90

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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.