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Finding the Fourth Proportional to 79,765.50, 110,075.92 and 43,466.88

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Solution

The fourth proportional to 79,765.50, 110,075.92 and 43,466.88 is: 59,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,765.50 : 110,075.92 = 43,466.88 : x
  2. Step 2: Convert to fraction form
    79,765.50/110,075.92 = 43,466.88/x
  3. Step 3: Cross multiply
    79,765.50x = 110,075.92 × 43,466.88
  4. Step 4: Simplify right side
    79,765.50x = 4,784,656,805.53
  5. Step 5: Solve for x
    x = 4,784,656,805.53/79,765.50
  6. Step 6: Final answer
    x = 59,984.04

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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.