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Finding the Fourth Proportional to 169,334.40, 253,905.60 and 64,156.80

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Solution

The fourth proportional to 169,334.40, 253,905.60 and 64,156.80 is: 96,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,334.40 : 253,905.60 = 64,156.80 : x
  2. Step 2: Convert to fraction form
    169,334.40/253,905.60 = 64,156.80/x
  3. Step 3: Cross multiply
    169,334.40x = 253,905.60 × 64,156.80
  4. Step 4: Simplify right side
    169,334.40x = 16,289,770,798.08
  5. Step 5: Solve for x
    x = 16,289,770,798.08/169,334.40
  6. Step 6: Final answer
    x = 96,198.83

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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.