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Finding the Fourth Proportional to 72,305.44, 108,459.12 and 37,227.04

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Solution

The fourth proportional to 72,305.44, 108,459.12 and 37,227.04 is: 55,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,305.44 : 108,459.12 = 37,227.04 : x
  2. Step 2: Convert to fraction form
    72,305.44/108,459.12 = 37,227.04/x
  3. Step 3: Cross multiply
    72,305.44x = 108,459.12 × 37,227.04
  4. Step 4: Simplify right side
    72,305.44x = 4,037,611,998.60
  5. Step 5: Solve for x
    x = 4,037,611,998.60/72,305.44
  6. Step 6: Final answer
    x = 55,841.05

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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.