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Finding the Fourth Proportional to 79,726.59, 110,023.51 and 43,917.50

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Solution

The fourth proportional to 79,726.59, 110,023.51 and 43,917.50 is: 60,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,726.59 : 110,023.51 = 43,917.50 : x
  2. Step 2: Convert to fraction form
    79,726.59/110,023.51 = 43,917.50/x
  3. Step 3: Cross multiply
    79,726.59x = 110,023.51 × 43,917.50
  4. Step 4: Simplify right side
    79,726.59x = 4,831,957,500.43
  5. Step 5: Solve for x
    x = 4,831,957,500.43/79,726.59
  6. Step 6: Final answer
    x = 60,606.60

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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.