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Finding the Fourth Proportional to 79,761.51, 110,070.90 and 43,951.41

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Solution

The fourth proportional to 79,761.51, 110,070.90 and 43,951.41 is: 60,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761.51 : 110,070.90 = 43,951.41 : x
  2. Step 2: Convert to fraction form
    79,761.51/110,070.90 = 43,951.41/x
  3. Step 3: Cross multiply
    79,761.51x = 110,070.90 × 43,951.41
  4. Step 4: Simplify right side
    79,761.51x = 4,837,771,254.97
  5. Step 5: Solve for x
    x = 4,837,771,254.97/79,761.51
  6. Step 6: Final answer
    x = 60,652.95

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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.