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Finding the Fourth Proportional to 178,310.45, 267,183.97 and 65,835.65

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Solution

The fourth proportional to 178,310.45, 267,183.97 and 65,835.65 is: 98,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,310.45 : 267,183.97 = 65,835.65 : x
  2. Step 2: Convert to fraction form
    178,310.45/267,183.97 = 65,835.65/x
  3. Step 3: Cross multiply
    178,310.45x = 267,183.97 × 65,835.65
  4. Step 4: Simplify right side
    178,310.45x = 17,590,230,334.53
  5. Step 5: Solve for x
    x = 17,590,230,334.53/178,310.45
  6. Step 6: Final answer
    x = 98,649.46

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1.5x scale

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.