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Finding the Fourth Proportional to 343,361.70, 515,034.45 and 94,043.70

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Solution

The fourth proportional to 343,361.70, 515,034.45 and 94,043.70 is: 141,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,361.70 : 515,034.45 = 94,043.70 : x
  2. Step 2: Convert to fraction form
    343,361.70/515,034.45 = 94,043.70/x
  3. Step 3: Cross multiply
    343,361.70x = 515,034.45 × 94,043.70
  4. Step 4: Simplify right side
    343,361.70x = 48,435,745,305.47
  5. Step 5: Solve for x
    x = 48,435,745,305.47/343,361.70
  6. Step 6: Final answer
    x = 141,063.33

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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.