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Finding the Fourth Proportional to 110,459.56, 165,690.96 and 40,345.96

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Solution

The fourth proportional to 110,459.56, 165,690.96 and 40,345.96 is: 60,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,459.56 : 165,690.96 = 40,345.96 : x
  2. Step 2: Convert to fraction form
    110,459.56/165,690.96 = 40,345.96/x
  3. Step 3: Cross multiply
    110,459.56x = 165,690.96 × 40,345.96
  4. Step 4: Simplify right side
    110,459.56x = 6,684,960,844.52
  5. Step 5: Solve for x
    x = 6,684,960,844.52/110,459.56
  6. Step 6: Final answer
    x = 60,519.53

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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.