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Finding the Fourth Proportional to 73,160.10, 109,703.70 and 33,672.60

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Solution

The fourth proportional to 73,160.10, 109,703.70 and 33,672.60 is: 50,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,160.10 : 109,703.70 = 33,672.60 : x
  2. Step 2: Convert to fraction form
    73,160.10/109,703.70 = 33,672.60/x
  3. Step 3: Cross multiply
    73,160.10x = 109,703.70 × 33,672.60
  4. Step 4: Simplify right side
    73,160.10x = 3,694,008,808.62
  5. Step 5: Solve for x
    x = 3,694,008,808.62/73,160.10
  6. Step 6: Final answer
    x = 50,492.12

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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.