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Finding the Fourth Proportional to 79,203.68, 118,816.44 and 26,617.24

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Solution

The fourth proportional to 79,203.68, 118,816.44 and 26,617.24 is: 39,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,203.68 : 118,816.44 = 26,617.24 : x
  2. Step 2: Convert to fraction form
    79,203.68/118,816.44 = 26,617.24/x
  3. Step 3: Cross multiply
    79,203.68x = 118,816.44 × 26,617.24
  4. Step 4: Simplify right side
    79,203.68x = 3,162,565,699.43
  5. Step 5: Solve for x
    x = 3,162,565,699.43/79,203.68
  6. Step 6: Final answer
    x = 39,929.53

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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.