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Finding the Fourth Proportional to 110,412.96, 165,619.64 and 40,275.96

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Solution

The fourth proportional to 110,412.96, 165,619.64 and 40,275.96 is: 60,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,412.96 : 165,619.64 = 40,275.96 : x
  2. Step 2: Convert to fraction form
    110,412.96/165,619.64 = 40,275.96/x
  3. Step 3: Cross multiply
    110,412.96x = 165,619.64 × 40,275.96
  4. Step 4: Simplify right side
    110,412.96x = 6,670,489,995.85
  5. Step 5: Solve for x
    x = 6,670,489,995.85/110,412.96
  6. Step 6: Final answer
    x = 60,414.01

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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.