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Finding the Fourth Proportional to 79,798.35, 110,120.53 and 43,987.59

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Solution

The fourth proportional to 79,798.35, 110,120.53 and 43,987.59 is: 60,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798.35 : 110,120.53 = 43,987.59 : x
  2. Step 2: Convert to fraction form
    79,798.35/110,120.53 = 43,987.59/x
  3. Step 3: Cross multiply
    79,798.35x = 110,120.53 × 43,987.59
  4. Step 4: Simplify right side
    79,798.35x = 4,843,936,696.73
  5. Step 5: Solve for x
    x = 4,843,936,696.73/79,798.35
  6. Step 6: Final answer
    x = 60,702.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.