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Finding the Fourth Proportional to 110,241.95, 165,370.61 and 43,681.88

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Solution

The fourth proportional to 110,241.95, 165,370.61 and 43,681.88 is: 65,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,241.95 : 165,370.61 = 43,681.88 : x
  2. Step 2: Convert to fraction form
    110,241.95/165,370.61 = 43,681.88/x
  3. Step 3: Cross multiply
    110,241.95x = 165,370.61 × 43,681.88
  4. Step 4: Simplify right side
    110,241.95x = 7,223,699,664.18
  5. Step 5: Solve for x
    x = 7,223,699,664.18/110,241.95
  6. Step 6: Final answer
    x = 65,525.87

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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.