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Finding the Fourth Proportional to 110,443.55, 165,724.79 and 43,884.28

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Solution

The fourth proportional to 110,443.55, 165,724.79 and 43,884.28 is: 65,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,443.55 : 165,724.79 = 43,884.28 : x
  2. Step 2: Convert to fraction form
    110,443.55/165,724.79 = 43,884.28/x
  3. Step 3: Cross multiply
    110,443.55x = 165,724.79 × 43,884.28
  4. Step 4: Simplify right side
    110,443.55x = 7,272,713,075.04
  5. Step 5: Solve for x
    x = 7,272,713,075.04/110,443.55
  6. Step 6: Final answer
    x = 65,850.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.