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Finding the Fourth Proportional to 110,049.80, 165,074.70 and 26,943.80

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Solution

The fourth proportional to 110,049.80, 165,074.70 and 26,943.80 is: 40,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,049.80 : 165,074.70 = 26,943.80 : x
  2. Step 2: Convert to fraction form
    110,049.80/165,074.70 = 26,943.80/x
  3. Step 3: Cross multiply
    110,049.80x = 165,074.70 × 26,943.80
  4. Step 4: Simplify right side
    110,049.80x = 4,447,739,701.86
  5. Step 5: Solve for x
    x = 4,447,739,701.86/110,049.80
  6. Step 6: Final answer
    x = 40,415.70

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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.