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Finding the Fourth Proportional to 119,393.46, 179,801.24 and 103,996.98

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Solution

The fourth proportional to 119,393.46, 179,801.24 and 103,996.98 is: 156,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,393.46 : 179,801.24 = 103,996.98 : x
  2. Step 2: Convert to fraction form
    119,393.46/179,801.24 = 103,996.98/x
  3. Step 3: Cross multiply
    119,393.46x = 179,801.24 × 103,996.98
  4. Step 4: Simplify right side
    119,393.46x = 18,698,785,440.27
  5. Step 5: Solve for x
    x = 18,698,785,440.27/119,393.46
  6. Step 6: Final answer
    x = 156,614.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.