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Finding the Fourth Proportional to 79,999.26, 110,339.11 and 55,801.46

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Solution

The fourth proportional to 79,999.26, 110,339.11 and 55,801.46 is: 76,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,999.26 : 110,339.11 = 55,801.46 : x
  2. Step 2: Convert to fraction form
    79,999.26/110,339.11 = 55,801.46/x
  3. Step 3: Cross multiply
    79,999.26x = 110,339.11 × 55,801.46
  4. Step 4: Simplify right side
    79,999.26x = 6,157,083,778.70
  5. Step 5: Solve for x
    x = 6,157,083,778.70/79,999.26
  6. Step 6: Final answer
    x = 76,964.26

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1.5x scale

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.