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Finding the Fourth Proportional to 110,404.60, 165,619.05 and 40,299.10

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Solution

The fourth proportional to 110,404.60, 165,619.05 and 40,299.10 is: 60,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,404.60 : 165,619.05 = 40,299.10 : x
  2. Step 2: Convert to fraction form
    110,404.60/165,619.05 = 40,299.10/x
  3. Step 3: Cross multiply
    110,404.60x = 165,619.05 × 40,299.10
  4. Step 4: Simplify right side
    110,404.60x = 6,674,298,657.86
  5. Step 5: Solve for x
    x = 6,674,298,657.86/110,404.60
  6. Step 6: Final answer
    x = 60,453.08

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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.