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Finding the Fourth Proportional to 117,220.40, 175,810.20 and 32,960.55

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Solution

The fourth proportional to 117,220.40, 175,810.20 and 32,960.55 is: 49,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220.40 : 175,810.20 = 32,960.55 : x
  2. Step 2: Convert to fraction form
    117,220.40/175,810.20 = 32,960.55/x
  3. Step 3: Cross multiply
    117,220.40x = 175,810.20 × 32,960.55
  4. Step 4: Simplify right side
    117,220.40x = 5,794,801,423.30
  5. Step 5: Solve for x
    x = 5,794,801,423.30/117,220.40
  6. Step 6: Final answer
    x = 49,435.09

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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.