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Finding the Fourth Proportional to 336,007.96, 504,110.40 and 99,356.80

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Solution

The fourth proportional to 336,007.96, 504,110.40 and 99,356.80 is: 149,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,007.96 : 504,110.40 = 99,356.80 : x
  2. Step 2: Convert to fraction form
    336,007.96/504,110.40 = 99,356.80/x
  3. Step 3: Cross multiply
    336,007.96x = 504,110.40 × 99,356.80
  4. Step 4: Simplify right side
    336,007.96x = 50,086,796,190.72
  5. Step 5: Solve for x
    x = 50,086,796,190.72/336,007.96
  6. Step 6: Final answer
    x = 149,064.31

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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.