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Finding the Fourth Proportional to 104,539.57, 156,815.30 and 29,653.83

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Solution

The fourth proportional to 104,539.57, 156,815.30 and 29,653.83 is: 44,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,539.57 : 156,815.30 = 29,653.83 : x
  2. Step 2: Convert to fraction form
    104,539.57/156,815.30 = 29,653.83/x
  3. Step 3: Cross multiply
    104,539.57x = 156,815.30 × 29,653.83
  4. Step 4: Simplify right side
    104,539.57x = 4,650,174,321.73
  5. Step 5: Solve for x
    x = 4,650,174,321.73/104,539.57
  6. Step 6: Final answer
    x = 44,482.43

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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.