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Finding the Fourth Proportional to 173,958.50, 260,981.50 and 49,299.50

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Solution

The fourth proportional to 173,958.50, 260,981.50 and 49,299.50 is: 73,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,958.50 : 260,981.50 = 49,299.50 : x
  2. Step 2: Convert to fraction form
    173,958.50/260,981.50 = 49,299.50/x
  3. Step 3: Cross multiply
    173,958.50x = 260,981.50 × 49,299.50
  4. Step 4: Simplify right side
    173,958.50x = 12,866,257,459.25
  5. Step 5: Solve for x
    x = 12,866,257,459.25/173,958.50
  6. Step 6: Final answer
    x = 73,961.65

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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.