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Finding the Fourth Proportional to 169,331.60, 253,997.40 and 149,648.60

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Solution

The fourth proportional to 169,331.60, 253,997.40 and 149,648.60 is: 224,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,331.60 : 253,997.40 = 149,648.60 : x
  2. Step 2: Convert to fraction form
    169,331.60/253,997.40 = 149,648.60/x
  3. Step 3: Cross multiply
    169,331.60x = 253,997.40 × 149,648.60
  4. Step 4: Simplify right side
    169,331.60x = 38,010,355,313.64
  5. Step 5: Solve for x
    x = 38,010,355,313.64/169,331.60
  6. Step 6: Final answer
    x = 224,472.90

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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.