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Finding the Fourth Proportional to 176,107.20, 264,225.60 and 70,936.80

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Solution

The fourth proportional to 176,107.20, 264,225.60 and 70,936.80 is: 106,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,107.20 : 264,225.60 = 70,936.80 : x
  2. Step 2: Convert to fraction form
    176,107.20/264,225.60 = 70,936.80/x
  3. Step 3: Cross multiply
    176,107.20x = 264,225.60 × 70,936.80
  4. Step 4: Simplify right side
    176,107.20x = 18,743,318,542.08
  5. Step 5: Solve for x
    x = 18,743,318,542.08/176,107.20
  6. Step 6: Final answer
    x = 106,431.30

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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.