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Finding the Fourth Proportional to 79,295.84, 118,943.96 and 26,742.23

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Solution

The fourth proportional to 79,295.84, 118,943.96 and 26,742.23 is: 40,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,295.84 : 118,943.96 = 26,742.23 : x
  2. Step 2: Convert to fraction form
    79,295.84/118,943.96 = 26,742.23/x
  3. Step 3: Cross multiply
    79,295.84x = 118,943.96 × 26,742.23
  4. Step 4: Simplify right side
    79,295.84x = 3,180,826,007.00
  5. Step 5: Solve for x
    x = 3,180,826,007.00/79,295.84
  6. Step 6: Final answer
    x = 40,113.41

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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.