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Finding the Fourth Proportional to 73,137.57, 109,623.42 and 33,613.02

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Solution

The fourth proportional to 73,137.57, 109,623.42 and 33,613.02 is: 50,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,137.57 : 109,623.42 = 33,613.02 : x
  2. Step 2: Convert to fraction form
    73,137.57/109,623.42 = 33,613.02/x
  3. Step 3: Cross multiply
    73,137.57x = 109,623.42 × 33,613.02
  4. Step 4: Simplify right side
    73,137.57x = 3,684,774,208.93
  5. Step 5: Solve for x
    x = 3,684,774,208.93/73,137.57
  6. Step 6: Final answer
    x = 50,381.41

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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.