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Finding the Fourth Proportional to 73,197.89, 101,007.78 and 40,490.92

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Solution

The fourth proportional to 73,197.89, 101,007.78 and 40,490.92 is: 55,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,197.89 : 101,007.78 = 40,490.92 : x
  2. Step 2: Convert to fraction form
    73,197.89/101,007.78 = 40,490.92/x
  3. Step 3: Cross multiply
    73,197.89x = 101,007.78 × 40,490.92
  4. Step 4: Simplify right side
    73,197.89x = 4,089,897,231.86
  5. Step 5: Solve for x
    x = 4,089,897,231.86/73,197.89
  6. Step 6: Final answer
    x = 55,874.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.