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Finding the Fourth Proportional to 173,344.50, 260,016.81 and 48,685.50

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Solution

The fourth proportional to 173,344.50, 260,016.81 and 48,685.50 is: 73,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,344.50 : 260,016.81 = 48,685.50 : x
  2. Step 2: Convert to fraction form
    173,344.50/260,016.81 = 48,685.50/x
  3. Step 3: Cross multiply
    173,344.50x = 260,016.81 × 48,685.50
  4. Step 4: Simplify right side
    173,344.50x = 12,659,048,403.26
  5. Step 5: Solve for x
    x = 12,659,048,403.26/173,344.50
  6. Step 6: Final answer
    x = 73,028.27

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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.