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Finding the Fourth Proportional to 79,298.10, 118,947.33 and 26,744.49

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Solution

The fourth proportional to 79,298.10, 118,947.33 and 26,744.49 is: 40,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,298.10 : 118,947.33 = 26,744.49 : x
  2. Step 2: Convert to fraction form
    79,298.10/118,947.33 = 26,744.49/x
  3. Step 3: Cross multiply
    79,298.10x = 118,947.33 × 26,744.49
  4. Step 4: Simplify right side
    79,298.10x = 3,181,185,677.71
  5. Step 5: Solve for x
    x = 3,181,185,677.71/79,298.10
  6. Step 6: Final answer
    x = 40,116.80

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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.