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Finding the Fourth Proportional to 173,868.69, 260,772.30 and 79,076.67

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Solution

The fourth proportional to 173,868.69, 260,772.30 and 79,076.67 is: 118,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868.69 : 260,772.30 = 79,076.67 : x
  2. Step 2: Convert to fraction form
    173,868.69/260,772.30 = 79,076.67/x
  3. Step 3: Cross multiply
    173,868.69x = 260,772.30 × 79,076.67
  4. Step 4: Simplify right side
    173,868.69x = 20,621,005,112.24
  5. Step 5: Solve for x
    x = 20,621,005,112.24/173,868.69
  6. Step 6: Final answer
    x = 118,601.03

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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.