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Finding the Fourth Proportional to 73,727.15, 101,743.22 and 40,193.15

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Solution

The fourth proportional to 73,727.15, 101,743.22 and 40,193.15 is: 55,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,727.15 : 101,743.22 = 40,193.15 : x
  2. Step 2: Convert to fraction form
    73,727.15/101,743.22 = 40,193.15/x
  3. Step 3: Cross multiply
    73,727.15x = 101,743.22 × 40,193.15
  4. Step 4: Simplify right side
    73,727.15x = 4,089,380,094.71
  5. Step 5: Solve for x
    x = 4,089,380,094.71/73,727.15
  6. Step 6: Final answer
    x = 55,466.41

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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.