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Finding the Fourth Proportional to 79,762.82, 110,075.04 and 43,955.12

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Solution

The fourth proportional to 79,762.82, 110,075.04 and 43,955.12 is: 60,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,762.82 : 110,075.04 = 43,955.12 : x
  2. Step 2: Convert to fraction form
    79,762.82/110,075.04 = 43,955.12/x
  3. Step 3: Cross multiply
    79,762.82x = 110,075.04 × 43,955.12
  4. Step 4: Simplify right side
    79,762.82x = 4,838,361,867.39
  5. Step 5: Solve for x
    x = 4,838,361,867.39/79,762.82
  6. Step 6: Final answer
    x = 60,659.37

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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.