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Finding the Fourth Proportional to 174,463.20, 261,694.80 and 63,640.80

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Solution

The fourth proportional to 174,463.20, 261,694.80 and 63,640.80 is: 95,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,463.20 : 261,694.80 = 63,640.80 : x
  2. Step 2: Convert to fraction form
    174,463.20/261,694.80 = 63,640.80/x
  3. Step 3: Cross multiply
    174,463.20x = 261,694.80 × 63,640.80
  4. Step 4: Simplify right side
    174,463.20x = 16,654,466,427.84
  5. Step 5: Solve for x
    x = 16,654,466,427.84/174,463.20
  6. Step 6: Final answer
    x = 95,461.20

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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.