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Finding the Fourth Proportional to 110,160.51, 165,314.62 and 40,039.82

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Solution

The fourth proportional to 110,160.51, 165,314.62 and 40,039.82 is: 60,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,160.51 : 165,314.62 = 40,039.82 : x
  2. Step 2: Convert to fraction form
    110,160.51/165,314.62 = 40,039.82/x
  3. Step 3: Cross multiply
    110,160.51x = 165,314.62 × 40,039.82
  4. Step 4: Simplify right side
    110,160.51x = 6,619,167,471.57
  5. Step 5: Solve for x
    x = 6,619,167,471.57/110,160.51
  6. Step 6: Final answer
    x = 60,086.57

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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.