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Finding the Fourth Proportional to 104,380.65, 156,579.42 and 29,501.41

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Solution

The fourth proportional to 104,380.65, 156,579.42 and 29,501.41 is: 44,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,380.65 : 156,579.42 = 29,501.41 : x
  2. Step 2: Convert to fraction form
    104,380.65/156,579.42 = 29,501.41/x
  3. Step 3: Cross multiply
    104,380.65x = 156,579.42 × 29,501.41
  4. Step 4: Simplify right side
    104,380.65x = 4,619,313,666.98
  5. Step 5: Solve for x
    x = 4,619,313,666.98/104,380.65
  6. Step 6: Final answer
    x = 44,254.50

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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.