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Finding the Fourth Proportional to 79,060.70, 118,606.93 and 29,141.06

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Solution

The fourth proportional to 79,060.70, 118,606.93 and 29,141.06 is: 43,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,060.70 : 118,606.93 = 29,141.06 : x
  2. Step 2: Convert to fraction form
    79,060.70/118,606.93 = 29,141.06/x
  3. Step 3: Cross multiply
    79,060.70x = 118,606.93 × 29,141.06
  4. Step 4: Simplify right side
    79,060.70x = 3,456,330,997.66
  5. Step 5: Solve for x
    x = 3,456,330,997.66/79,060.70
  6. Step 6: Final answer
    x = 43,717.43

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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.