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Finding the Fourth Proportional to 79,014.31, 118,496.76 and 26,411.49

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Solution

The fourth proportional to 79,014.31, 118,496.76 and 26,411.49 is: 39,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,014.31 : 118,496.76 = 26,411.49 : x
  2. Step 2: Convert to fraction form
    79,014.31/118,496.76 = 26,411.49/x
  3. Step 3: Cross multiply
    79,014.31x = 118,496.76 × 26,411.49
  4. Step 4: Simplify right side
    79,014.31x = 3,129,675,991.77
  5. Step 5: Solve for x
    x = 3,129,675,991.77/79,014.31
  6. Step 6: Final answer
    x = 39,608.98

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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.