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Finding the Fourth Proportional to 351,475.56, 527,187.02 and 126,835.98

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Solution

The fourth proportional to 351,475.56, 527,187.02 and 126,835.98 is: 190,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475.56 : 527,187.02 = 126,835.98 : x
  2. Step 2: Convert to fraction form
    351,475.56/527,187.02 = 126,835.98/x
  3. Step 3: Cross multiply
    351,475.56x = 527,187.02 × 126,835.98
  4. Step 4: Simplify right side
    351,475.56x = 66,866,282,324.98
  5. Step 5: Solve for x
    x = 66,866,282,324.98/351,475.56
  6. Step 6: Final answer
    x = 190,244.47

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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.