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Finding the Fourth Proportional to 79,026.33, 118,539.51 and 26,439.51

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Solution

The fourth proportional to 79,026.33, 118,539.51 and 26,439.51 is: 39,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,026.33 : 118,539.51 = 26,439.51 : x
  2. Step 2: Convert to fraction form
    79,026.33/118,539.51 = 26,439.51/x
  3. Step 3: Cross multiply
    79,026.33x = 118,539.51 × 26,439.51
  4. Step 4: Simplify right side
    79,026.33x = 3,134,126,560.04
  5. Step 5: Solve for x
    x = 3,134,126,560.04/79,026.33
  6. Step 6: Final answer
    x = 39,659.27

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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.