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Finding the Fourth Proportional to 104,202.72, 156,285.72 and 29,305.08

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Solution

The fourth proportional to 104,202.72, 156,285.72 and 29,305.08 is: 43,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,202.72 : 156,285.72 = 29,305.08 : x
  2. Step 2: Convert to fraction form
    104,202.72/156,285.72 = 29,305.08/x
  3. Step 3: Cross multiply
    104,202.72x = 156,285.72 × 29,305.08
  4. Step 4: Simplify right side
    104,202.72x = 4,579,965,527.46
  5. Step 5: Solve for x
    x = 4,579,965,527.46/104,202.72
  6. Step 6: Final answer
    x = 43,952.46

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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.