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Finding the Fourth Proportional to 79,727.99, 110,024.12 and 43,917.17

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Solution

The fourth proportional to 79,727.99, 110,024.12 and 43,917.17 is: 60,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.99 : 110,024.12 = 43,917.17 : x
  2. Step 2: Convert to fraction form
    79,727.99/110,024.12 = 43,917.17/x
  3. Step 3: Cross multiply
    79,727.99x = 110,024.12 × 43,917.17
  4. Step 4: Simplify right side
    79,727.99x = 4,831,947,762.55
  5. Step 5: Solve for x
    x = 4,831,947,762.55/79,727.99
  6. Step 6: Final answer
    x = 60,605.41

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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.