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Finding the Fourth Proportional to 336,054.70, 504,180.46 and 99,403.68

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Solution

The fourth proportional to 336,054.70, 504,180.46 and 99,403.68 is: 149,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,054.70 : 504,180.46 = 99,403.68 : x
  2. Step 2: Convert to fraction form
    336,054.70/504,180.46 = 99,403.68/x
  3. Step 3: Cross multiply
    336,054.70x = 504,180.46 × 99,403.68
  4. Step 4: Simplify right side
    336,054.70x = 50,117,393,108.09
  5. Step 5: Solve for x
    x = 50,117,393,108.09/336,054.70
  6. Step 6: Final answer
    x = 149,134.63

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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.