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Finding the Fourth Proportional to 173,176.56, 259,762 and 54,847.68

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Solution

The fourth proportional to 173,176.56, 259,762 and 54,847.68 is: 82,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,176.56 : 259,762 = 54,847.68 : x
  2. Step 2: Convert to fraction form
    173,176.56/259,762 = 54,847.68/x
  3. Step 3: Cross multiply
    173,176.56x = 259,762 × 54,847.68
  4. Step 4: Simplify right side
    173,176.56x = 14,247,343,052.16
  5. Step 5: Solve for x
    x = 14,247,343,052.16/173,176.56
  6. Step 6: Final answer
    x = 82,270.62

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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.