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Finding the Fourth Proportional to 110,396.34, 165,619.14 and 40,275.66

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Solution

The fourth proportional to 110,396.34, 165,619.14 and 40,275.66 is: 60,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,396.34 : 165,619.14 = 40,275.66 : x
  2. Step 2: Convert to fraction form
    110,396.34/165,619.14 = 40,275.66/x
  3. Step 3: Cross multiply
    110,396.34x = 165,619.14 × 40,275.66
  4. Step 4: Simplify right side
    110,396.34x = 6,670,420,172.13
  5. Step 5: Solve for x
    x = 6,670,420,172.13/110,396.34
  6. Step 6: Final answer
    x = 60,422.48

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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.