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Finding the Fourth Proportional to 164,468.78, 246,504.50 and 80,102.50

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Solution

The fourth proportional to 164,468.78, 246,504.50 and 80,102.50 is: 120,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,468.78 : 246,504.50 = 80,102.50 : x
  2. Step 2: Convert to fraction form
    164,468.78/246,504.50 = 80,102.50/x
  3. Step 3: Cross multiply
    164,468.78x = 246,504.50 × 80,102.50
  4. Step 4: Simplify right side
    164,468.78x = 19,745,626,711.25
  5. Step 5: Solve for x
    x = 19,745,626,711.25/164,468.78
  6. Step 6: Final answer
    x = 120,056.99

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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.