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Finding the Fourth Proportional to 176,338.20, 264,531.60 and 63,991.20

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Solution

The fourth proportional to 176,338.20, 264,531.60 and 63,991.20 is: 95,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,338.20 : 264,531.60 = 63,991.20 : x
  2. Step 2: Convert to fraction form
    176,338.20/264,531.60 = 63,991.20/x
  3. Step 3: Cross multiply
    176,338.20x = 264,531.60 × 63,991.20
  4. Step 4: Simplify right side
    176,338.20x = 16,927,694,521.92
  5. Step 5: Solve for x
    x = 16,927,694,521.92/176,338.20
  6. Step 6: Final answer
    x = 95,995.62

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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.