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Finding the Fourth Proportional to 45,336.03, 67,833.03 and 40,731.90

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Solution

The fourth proportional to 45,336.03, 67,833.03 and 40,731.90 is: 60,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.03 : 67,833.03 = 40,731.90 : x
  2. Step 2: Convert to fraction form
    45,336.03/67,833.03 = 40,731.90/x
  3. Step 3: Cross multiply
    45,336.03x = 67,833.03 × 40,731.90
  4. Step 4: Simplify right side
    45,336.03x = 2,762,968,194.66
  5. Step 5: Solve for x
    x = 2,762,968,194.66/45,336.03
  6. Step 6: Final answer
    x = 60,944.20

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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.