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Finding the Fourth Proportional to 73,435.86, 110,154.87 and 20,845.44

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Solution

The fourth proportional to 73,435.86, 110,154.87 and 20,845.44 is: 31,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,435.86 : 110,154.87 = 20,845.44 : x
  2. Step 2: Convert to fraction form
    73,435.86/110,154.87 = 20,845.44/x
  3. Step 3: Cross multiply
    73,435.86x = 110,154.87 × 20,845.44
  4. Step 4: Simplify right side
    73,435.86x = 2,296,226,733.29
  5. Step 5: Solve for x
    x = 2,296,226,733.29/73,435.86
  6. Step 6: Final answer
    x = 31,268.47

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1.5x scale

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.