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Finding the Fourth Proportional to 173,291.68, 259,884.60 and 73,450

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Solution

The fourth proportional to 173,291.68, 259,884.60 and 73,450 is: 110,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,291.68 : 259,884.60 = 73,450 : x
  2. Step 2: Convert to fraction form
    173,291.68/259,884.60 = 73,450/x
  3. Step 3: Cross multiply
    173,291.68x = 259,884.60 × 73,450
  4. Step 4: Simplify right side
    173,291.68x = 19,088,523,870
  5. Step 5: Solve for x
    x = 19,088,523,870/173,291.68
  6. Step 6: Final answer
    x = 110,152.57

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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.