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Finding the Fourth Proportional to 174,665.40, 261,998.10 and 63,900.60

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Solution

The fourth proportional to 174,665.40, 261,998.10 and 63,900.60 is: 95,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,665.40 : 261,998.10 = 63,900.60 : x
  2. Step 2: Convert to fraction form
    174,665.40/261,998.10 = 63,900.60/x
  3. Step 3: Cross multiply
    174,665.40x = 261,998.10 × 63,900.60
  4. Step 4: Simplify right side
    174,665.40x = 16,741,835,788.86
  5. Step 5: Solve for x
    x = 16,741,835,788.86/174,665.40
  6. Step 6: Final answer
    x = 95,850.90

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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.