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Finding the Fourth Proportional to 108,107.88, 162,165.48 and 29,222.79

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Solution

The fourth proportional to 108,107.88, 162,165.48 and 29,222.79 is: 43,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,107.88 : 162,165.48 = 29,222.79 : x
  2. Step 2: Convert to fraction form
    108,107.88/162,165.48 = 29,222.79/x
  3. Step 3: Cross multiply
    108,107.88x = 162,165.48 × 29,222.79
  4. Step 4: Simplify right side
    108,107.88x = 4,738,927,767.29
  5. Step 5: Solve for x
    x = 4,738,927,767.29/108,107.88
  6. Step 6: Final answer
    x = 43,835.17

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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.