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Finding the Fourth Proportional to 331,161.40, 496,592.65 and 94,447.81

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Solution

The fourth proportional to 331,161.40, 496,592.65 and 94,447.81 is: 141,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,161.40 : 496,592.65 = 94,447.81 : x
  2. Step 2: Convert to fraction form
    331,161.40/496,592.65 = 94,447.81/x
  3. Step 3: Cross multiply
    331,161.40x = 496,592.65 × 94,447.81
  4. Step 4: Simplify right side
    331,161.40x = 46,902,088,254.60
  5. Step 5: Solve for x
    x = 46,902,088,254.60/331,161.40
  6. Step 6: Final answer
    x = 141,629.09

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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.