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Finding the Fourth Proportional to 104,159.90, 156,247.94 and 34,046.30

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Solution

The fourth proportional to 104,159.90, 156,247.94 and 34,046.30 is: 51,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,159.90 : 156,247.94 = 34,046.30 : x
  2. Step 2: Convert to fraction form
    104,159.90/156,247.94 = 34,046.30/x
  3. Step 3: Cross multiply
    104,159.90x = 156,247.94 × 34,046.30
  4. Step 4: Simplify right side
    104,159.90x = 5,319,664,239.62
  5. Step 5: Solve for x
    x = 5,319,664,239.62/104,159.90
  6. Step 6: Final answer
    x = 51,072.09

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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.