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Finding the Fourth Proportional to 110,278.80, 165,090.15 and 65,882.70

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Solution

The fourth proportional to 110,278.80, 165,090.15 and 65,882.70 is: 98,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,278.80 : 165,090.15 = 65,882.70 : x
  2. Step 2: Convert to fraction form
    110,278.80/165,090.15 = 65,882.70/x
  3. Step 3: Cross multiply
    110,278.80x = 165,090.15 × 65,882.70
  4. Step 4: Simplify right side
    110,278.80x = 10,876,584,825.41
  5. Step 5: Solve for x
    x = 10,876,584,825.41/110,278.80
  6. Step 6: Final answer
    x = 98,628.07

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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.