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Finding the Fourth Proportional to 79,044.60, 118,435.26 and 55,621.82

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Solution

The fourth proportional to 79,044.60, 118,435.26 and 55,621.82 is: 83,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.60 : 118,435.26 = 55,621.82 : x
  2. Step 2: Convert to fraction form
    79,044.60/118,435.26 = 55,621.82/x
  3. Step 3: Cross multiply
    79,044.60x = 118,435.26 × 55,621.82
  4. Step 4: Simplify right side
    79,044.60x = 6,587,584,713.37
  5. Step 5: Solve for x
    x = 6,587,584,713.37/79,044.60
  6. Step 6: Final answer
    x = 83,340.10

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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.